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Why Taking Hormones in Menopause Can Improve Women's Well-Being and Lengthen Their Lives -- Without Raising the Risk of Breast Cancer
Read by Carol Tavris
Read by Avrum Bluming
By Carol Tavris
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For years, hormone replacement therapy (HRT) was hailed as a miracle. Study after study showed that HRT, if initiated at the onset of menopause, could ease symptoms ranging from hot flashes to memory loss; reduce the risk of heart disease, Alzheimer’s, osteoporosis, and some cancers; and even extend a woman’s overall life expectancy. But when a large study by the Women’s Health Initiative announced results showing an uptick in breast cancer among women taking HRT, the winds shifted abruptly, and HRT, officially deemed a carcinogen, was abandoned.
Now, sixteen years after HRT was left for dead, Dr. Bluming, a medical oncologist, and Dr. Tavris, a social psychologist, track its strange history and present a compelling case for its resurrection. They investigate what led the public — and much of the medical establishment — to accept the Women’s Health Initiative’s often exaggerated claims, while also providing a fuller picture of the science that supports HRT.
A sobering and revelatory read, Estrogen Matters sets the record straight on this beneficial treatment and provides an empowering path to wellness for women everywhere.
Who Killed HRT?
Avrum recently received an e-mail from a woman he did not know, referred to him by a mutual friend, who was agonizing over suspicious findings on her breast ultrasound. Her mammogram had shown a probable cyst, so the radiologist had ordered the ultrasound, and the results suggested a malignancy. The woman wrote that she was “freaking out,” feeling hopeless, and already anticipating a total mastectomy; she added that if she could have her whole torso surgically removed, she would. This woman was a fifty-year-old university professor of experimental psychology, yet she was completely panicked before a biopsy had even been performed.
Av is profoundly aware of the fear that accompanies even a suspicion of a breast cancer diagnosis. He has been a medical oncologist for many years, and about 60 percent of his practice has been devoted to the study and treatment of breast cancer. In 1988, his wife, Martha, was diagnosed with breast cancer at the age of forty-five. She had found a small nodule that seemed benign but nonetheless warranted removal, and he vividly remembers his own fear when the surgeon who removed the tumor said, “I’m sorry, Av. It was a carcinoma.” He felt as though he had been walking along a rocky path on a high mountain, holding Martha’s hand, and they had suddenly lost their footing. Two days later, the surgeon told them almost casually that the nodes he’d sent for biopsy when he removed the tumor appeared completely normal. Av regained his balance. Whatever else might turn up, there was now a good chance that Martha would be cured.
The often repeated statistic that one woman in eight (12 percent) will develop breast cancer at some point in her life should be understood in a broader context: That’s a woman’s risk of getting it, all right, but only if she lives to be eighty-five. As Patricia T. Kelly explained in Assess Your True Risk of Breast Cancer:
• A thirty-year-old woman has a risk of developing breast cancer in the next decade of 1 in 227 (0.4 percent).
• A forty-year-old woman has a decade risk of 1 in 68 (1.5 percent).
• A fifty-year-old woman has a decade risk of 1 in 42 (2.4 percent).
• A sixty-year-old woman has a decade risk of 1 in 28 (3.6 percent).
• A woman over seventy has the highest risk, 1 in 26 (4 percent).1
So where did that one-in-eight risk come from? It’s obtained by adding together the risks in each age category: 0.4 plus 1.5 plus 2.4 and so forth. But if you are a woman who has reached age sixty without a diagnosis of breast cancer, your risk in the coming decades is only 7.6 percent (12 percent less each decade’s risk that you have passed); the risk of breast cancer in any given decade of life never exceeds one in twenty-six. Yet by far the most important statistic is this one: over 90 percent of women currently diagnosed with early breast cancer will be cured, and most will not need disfiguring mastectomies or chemotherapy.
Martha’s cancer was diagnosed thirty years ago. After her lumpectomy, she received postoperative radiotherapy and chemotherapy and has had no recurrence of cancer since. The chemotherapy she received, however, pushed her into menopause; severe symptoms began and then continued unabated. She didn’t complain, understanding better than her husband did what women were expected to tolerate at that time as part of the “change of life.” But she was most definitely suffering. For years, the women under Av’s care had been reporting a variety of the same symptoms: hot flashes, loss of sexual desire, painful intercourse because of vaginal dryness, difficulty sleeping, palpitations, unexplained and uncharacteristic anxiety attacks, difficulty concentrating, and—the thing that especially bothered Martha—fuzzy thinking, such as trouble remembering phone numbers and even following the plot of a book.
And so Avrum delved more systematically into the world of menopausal symptoms and their treatments. At the time, and still today, the uncontested most effective treatment for these symptoms was—and is—estrogen. Because estrogen replacement therapy (ERT) alone is associated with an increased risk of endometrial cancer (cancer of the lining of the uterus), women who still have a uterus are given hormone replacement therapy (HRT)—estrogen plus progesterone—which provides the benefits of estrogen without the increased risk of endometrial cancer.* Martha asked Av about prescribing estrogen for her. Many of his menopausal patients who had been treated for breast cancer over the years had asked for the same thing. They had complained of severe quality-of-life impairments that they hoped estrogen would alleviate. He had advised against it because of the prevalent concern that estrogen might increase the risk of cancer recurrence among women with previous breast cancer. (As you will learn in chapter 6, it does not.)
By the early 1990s, researchers had fifty years of evidence of estrogen’s benefits, all of it well documented in the medical literature. Estrogen not only successfully controlled menopausal symptoms in most women but also significantly reduced the risks of heart disease, hip fractures, colon cancer, and Alzheimer’s. A 1991 New England Journal of Medicine editorial, “Uncertainty About Postmenopausal Estrogen: Time for Action, Not Debate,” reported a 40 to 50 percent reduction in atherosclerotic heart disease, which was responsible for the deaths of more than eight times as many American women as breast cancer.2 The long-running Framingham study reported a 50 percent drop in osteoporosis-associated hip fractures, which were linked to as many deaths every year as breast cancer.3 Two studies, one from the University of Wisconsin and one from the American Cancer Society, reported a 50 percent decrease in the risk of developing or dying of colon cancer. And a USC study reported a 35 percent decrease in the risk of Alzheimer’s. Among women with no history of breast cancer, studies found that estrogen did not increase the risk of developing it, even among women who had been taking estrogen for ten to fifteen years. Most remarkable, women taking estrogen were living longer than women who were not taking hormones. A 1997 report in the Journal of the American Medical Association stated that “HRT should increase life expectancy for nearly all postmenopausal women by up to 3 years.”4 Their analysis concluded that up to 99 percent of current postmenopausal women would benefit from taking HRT as measured by decreased rates of disease and improved longevity.
So it is no wonder that in the 1990s, the medical consensus was fairly strong about the benefits of ERT and HRT. In her 1995 book A New Prescription for Women’s Health: Getting the Best Medical Care in a Man’s World, Bernadine Healy, a cardiologist and the first (and thus far only) female director of the National Institutes of Health (NIH), observed that many of the major risks that women face as they age—heart disease, stroke, osteoporosis, and Alzheimer’s disease—“are or may well be reduced by hormone replacement therapy.” As a result of that data, she wrote, when she hit menopause, she planned to begin HRT “without a blink”:
To me, the benefits are nothing short of remarkable. Distilling all the reports, I conclude that long-term hormone replacement therapy may not make one feminine forever, but it clearly offers the chance for being healthier far longer. The benefits of hormone replacement therapy on individual diseases or specific organs are impressive. But when the benefits are looked at in aggregate, they are compelling. The total health of a woman as she gets older is largely what determines her quality of life, what allows her to view the last half of her adult life as a blessing and a second prime.5
And then she added: “A decision not to consider hormone replacement is a health decision, too, just as is the decision not to take a flu shot or get a hepatitis vaccination. As I see it, women have a competitive health and survival edge before menopause. Women during their childbearing years are protected against many problems that affect men. I see no reason to relinquish that advantage after menopause—not if I can help it.”
Today, more than twenty years after Bernadine Healy’s published advice, estrogen’s benefits have been drowned out by the alarms about its risks, which were inflamed by reports from the Women’s Health Initiative (WHI), initially published in 2002. Those reports claimed that HRT was flat-out dangerous, that it increased the risks of breast cancer, heart disease, stroke, and dementia, all leading to a shortened life expectancy. Hundreds of thousands of women, already frightened of breast cancer, went off hormone replacement immediately. Most of their physicians supported them. If you go online, you’ll see how many establishment medical centers to this day rely on the WHI and advise women not to take HRT at all or to take it only briefly.
Yet, as we will show in a close examination of the WHI studies, some of those claims were exaggerated, some were misleading, and some were just wrong—and several WHI investigators themselves eventually backed away from them. We realize what a stunning assertion this is. The Women’s Health Initiative, supposedly the gold standard of empirical research, funded by the National Institutes of Health to the tune of one billion dollars—and we are arguing that its findings can’t be trusted? Yes, we are, and we hope that by the time you finish this book, you will see why.
While we’re at it, we plan to shatter a widespread assumption underlying the concerns about HRT: that estrogen causes breast cancer. As Av began to question the received wisdom on estrogen, he found himself in the same position as the physicians who dared question the once universal belief in the benefits of radical mastectomy, promoted by the surgeon William Halsted in the late nineteenth and early twentieth centuries. Radical mastectomy was based in part on Halsted’s theory that breast cancer spread almost exclusively from the original site into contiguous areas. Find a tumor in the breast? Then it is essential to remove the tumor, the entire breast, and everything adjacent—a “radical” procedure.
Halsted’s assumption was logical, widely accepted, and wrong. In the fifty-four years between 1927 and 1981, twenty-four studies reported on more than four thousand patients with breast cancer who were treated with lumpectomy (removal of the tumor only) and, usually, subsequent radiation. In all but two of those studies, survival rates, even up to thirty years later, were similar to those of patients treated with variations of the radical mastectomy. Randomized trials and observational studies continue to show that breast-conserving surgery is almost always at least as effective as mastectomy. Yet rates of radical mastectomies, especially bilateral mastectomies, for treatment of localized breast cancer have been rising since 2006—another manifestation of the fear associated with breast cancer. In the overwhelming majority of these cases, mastectomy is not indicated and not recommended. Yet many patients, like the woman who wrote to Avrum, panic and say, “Just take it off—take them both off—so I don’t have to worry.” They would rather cope with the pain, discomfort, prolonged recovery, and physical impairments of extensive surgery than deal with anxiety, even though the more extensive surgery does not offer a greater chance for cure.
Like Halsted’s mistaken notion that breast cancer spreads from the original site to adjacent areas, the belief that estrogen causes breast cancer is logical, widely accepted, and wrong. Consider these findings, which you will learn more about in detail in this book:
• If estrogen were an important cause of breast cancer, we would expect rates of breast cancer to decline after menopause, when estrogen levels naturally diminish. Instead, breast cancer rates increase.
• If estrogen were carcinogenic, we would hardly expect it to be beneficial to women with breast cancer. You would not treat patients with lung cancer by dramatically increasing the number of cigarettes they smoke daily. But high doses of estrogen have been effectively used to treat metastatic breast cancer, and women diagnosed with breast cancer while on HRT or ERT have repeatedly been found to have a better prognosis than those diagnosed who are not taking it.
• The belief that a woman’s lifetime, cumulative level of estrogen is a major contributor to breast cancer is based on weak and largely circumstantial evidence. It came from the perception that women who enter menarche very early (when estrogen levels start to rise) and have late menopause (when estrogen declines sharply) have a higher risk of breast cancer. But they don’t. Moreover, the endometrium (the lining of the uterus) is more sensitive to any tumor-promoting effects of estrogen than the breast. If “excess” estrogen were a mechanism by which age at menarche and age at menopause increased the risk of breast cancer, then the risk of endometrial cancer should also be related to these events. It is not.
• Some normal breast cells have on their cell membranes receptor molecules for estrogen, and many women diagnosed with estrogen-receptor-positive breast cancer assume, understandably, that this means that estrogen is somehow feeding the kind of breast cancer they have. But no. If that receptor is found on the membrane of a breast cancer cell, it usually means the breast cancer is growing slowly enough to adopt this normal cell characteristic. Indeed, in most breast cancers, estrogen-receptor-positive cells are not the ones proliferating. A similar receptor has been identified for progesterone. The presence of an estrogen receptor or a progesterone receptor on the surface of a breast cancer cell does not mean that the breast cancer was caused by estrogen or progesterone. Moreover, the cells of early breast cancer and the ones that multiply within breast cancer are generally estrogen-receptor and progesterone-receptor negative.6
• During pregnancy, circulating estrogen concentrations are at least ten times higher than during other periods of a woman’s life. Yet women who are diagnosed with breast cancer during pregnancy have a similar prognosis as nonpregnant women at the same stages of breast cancer. Moreover, terminating the pregnancies in women with recently diagnosed breast cancer, thereby eliminating the increased level of circulating estrogen, produces no benefit for either its course or prognosis.
We—Avrum and Carol—have been close friends for many years. We met when Avrum saved Carol’s sister-in-law’s life with a successful intervention for a rare blood disorder caused by a stroke medication. We discovered a mutual passion for following the data wherever it led and a shared commitment to debunking pseudoscience and fad therapies, Av in medicine, Carol in psychology. The story of HRT, a therapy designed to treat life changes that are specific to women—a therapy praised by some researchers, condemned by others, and eventually brought down by a large nationwide study—was fascinating in its own right but was also a perfect case study for Carol’s interest in gender biases in health care and cognitive biases in research.
And so, one afternoon more than a decade ago, Carol decided to attend Avrum’s talk about HRT at a continuing-medical-education seminar. She went mostly out of friendship. She was not an advocate of hormones, nor did she have a vested interest in them one way or the other; she had sailed through menopause with nary a symptom. In her 1992 book The Mismeasure of Woman, she included a chapter on hormone replacement, a therapy she didn’t wholly oppose but didn’t wholly endorse either. In those years, she shared the view of many women’s health activists that the idea of hormone “replacement” was itself problematic, implying that the normal changes of life automatically created deficiencies rather than being, well, normal changes of life.
And then she watched, riveted, as Avrum set about methodically dismantling the arguments stating that HRT was a serious risk factor in breast cancer. He presented a table of breast cancer risks (which you will see in chapter 1). At the lower end was taking Premarin—an insignificant risk. Riskier factors included eating fish, eating one additional serving of French fries per week during preschool years, and being a Scandinavian airline flight attendant. All of these associations were weak, unlikely, and meaningless in real life, and all were stronger than those with Premarin, but all of them found homes in medical journals.
Bingo! Carol realized that Avrum was doing in medicine what she loved doing in psychology: dealing with evidence that contradicted received wisdom and coming face-to-face with the exasperating reaction that most people have to such evidence. (They rarely say, “Thank you.” They don’t say much of anything.) She was therefore not surprised when Av told her how much trouble he was having in trying to persuade his colleagues that they might be wrong about the dangers of HRT and the reliability of the Women’s Health Initiative. Carol offered to collaborate with him on articles for his medical colleagues, and these were soon published by the Cancer Journal and Climacteric.7 The papers’ detailed examinations of the disgraceful data manipulations of the WHI were greeted by the medical establishment with… silence.
And so, this book. Just as decades of evidence eventually overturned the scientific justification for radical mastectomy, decades of evidence indicates that it is time to change medical professionals’ minds about estrogen too. We will show how the powerful belief that estrogen causes breast cancer has blinded otherwise reputable, serious investigators to what their own data actually reveals. And we will show how the powerful belief that advocates for estrogen are all in the pocket of Big Pharma—as, indeed, some of them are—has blinded many conscientious feminists, scientists, and health activists and kept them from taking that data seriously.
Accordingly, before we go any further, we want to make it clear that neither of us is a partially or wholly owned subsidiary of Wyeth (purchased by Pfizer in 2009) or any other drug company. Carol has long been an outspoken critic of the pharmaceutical industry, and Avrum does not and has not met with drug reps in his office, let alone accepted dinners, pens, speaking offers, writing assignments, pizzas, or any other bribe or inducement, in exchange for a prescription. In 2005, Avrum was contacted by a lawyer representing Wyeth, and he agreed to serve as an expert witness on a case, since his already published papers had questioned the role of hormones in the development of breast cancer. He was not hired to create an opinion.
Last year, Avrum got an e-mail from a former patient who had moved to another city.
Dear Dr. Bluming:
Today I had an appointment with Dr. L to renew my prescription for the hormones I have been taking. She quickly told me to find another doctor as she could not and would not prescribe HRT. In order for someone to be given hormones, she said, the patient would have to be no older than 62 or so (I am much older) and have hot flashes—which I do not have because I am on hormones. She would not continue to treat me if I insisted on remaining on hormones. She finally wrote a prescription for only one month and told me to go look for another doctor. These medicines have helped me a great deal and provided me with a life, instead of days of sitting on the sofa or in bed unable to move or think. What do I do? Who can I see? Are there other drugs I can take in their place? How can I find a doctor to support me and track what is needed?
As he read his patient’s letter, Av wondered how her otherwise competent young oncologist had become so adamantly opposed to hormone replacement therapy that she was unable to recognize its benefits in the patient sitting in front of her, a woman who had been on HRT for more than twenty years. To answer that question, we will consider the effects of hormone replacement therapy on menopausal symptoms, heart disease, bone health, overall survival, and cancer and conclude with recommendations of where we go from here. If a woman is trying to choose whether or not to take ERT or HRT, she owes herself a familiarity with its benefits and risks, and that is what this book is designed to provide.
Every action that human beings take involves risk: crossing the street, swallowing an aspirin, getting married. In the case of estrogen, yes, of course, there are some legitimate concerns about risks, and we will discuss them. But we will argue that medical professionals, in their concern about what turn out to be small risks for some women, are overlooking the overwhelming evidence of estrogen’s very large benefits for most women. Women have been scared away from estrogen by the fear of breast cancer—a fear so great that it made an educated woman like Avrum’s correspondent claim she would sacrifice her “whole torso” for a cure, even before she had an official diagnosis of cancer. We hope this book will replace that fear with a deeper understanding that will allow women, with guidance from informed physicians, to make decisions based on knowledge rather than on unfounded anxiety and false alarms.
Does Estrogen Cause Breast Cancer?
Yes, it does.” “No, it doesn’t.” Conjectures and controversies have swirled around this question for more than a hundred years, and that fact alone provides a clue to the answer. The Nobel Prize–winning physicist Richard Feynman had a good test for truth in science: “If something is true, really so,” he said, “if you continue observations and improve the effectiveness of the observations, the effects stand out more obviously.”1 If you continue your observations and all you get are muddy and inconsistent answers, something is wrong with your method or, more likely, with your hypothesis.
Advances in science are rarely achieved by one dramatic insight or experimental finding. They are usually the result of small steps and conclusions, many of which point in the same general direction, allowing the evolution of an idea that can then be tested and either verified or disproved. Unfortunately, not all scientists are as dispassionate in their pursuit of a finding as Feynman was. For him, being wrong was as informative as being right. But many scientists, like almost all mortals, would rather be right—and some, as we will see in this chapter, are willing to bend their experiments’ findings to fit their theories.
Efforts to understand and treat breast cancer have a long history.2 In the late 1800s, a few physicians suggested there might be a causal relationship between a product of the ovary, most likely estrogen, and the development and progression of breast cancer. In 1882, Thomas William Nunn reported the case history of a perimenopausal woman with breast cancer whose disease regressed six months after her periods stopped. In 1889, Albert Schinzinger, observing that breast cancer was less aggressive in older women than in younger women, proposed that removing both ovaries in premenopausal women with breast cancer would send them into early menopause and thus cause the breast cancer to regress. Schinzinger never performed the surgery, however, because he was unable to convince his colleagues of its potential merit. But six years later, in 1895, George Thomas Beatson removed both ovaries of a woman who had extensive, recurrent breast cancer. The patient’s tumor regressed completely and she survived for four years after the surgery. One year later, in 1896, Stanley Boyd, an English surgeon, removed both ovaries in a woman with metastatic breast cancer; she survived for twelve years after her surgery. Boyd later wrote, “My working hypothesis is that internal secretion of the ovaries in some cases favors the growth of the cancer.”
There matters stood for almost half a century.
In 1942, researchers developed methods to extract large quantities of estrogen from the urine of pregnant mares, and Ayerst Laboratories produced the first estrogen tablets, which they called Premarin (from pregnant mare’s urine). Ayerst began to market Premarin in the 1950s as a treatment for menopausal symptoms, a campaign greatly enhanced in the 1960s by the publication of Feminine Forever, a hyperventilating bestseller written by New York gynecologist Robert Wilson.3 The book promised youth, beauty, and a full sex life for menopausal women through the use of estrogen. Wilson’s son Ronald later told reporter Gina Kolata at the New York Times that Ayerst had paid all of his father’s expenses for writing the book and financed his father’s organization, the Wilson Research Foundation.4
This euphoric endorsement of estrogen was tempered by the discovery in the 1970s that the incidence of endometrial cancer, a generally curable cancer of the cells lining the uterus, was increased four to eight times in all those “feminine forever” women taking estrogen.5 Subsequent studies reported that the addition of progesterone, another female hormone, not only negated the increased risk of uterine cancer associated with estrogen alone but actually protected against endometrial cancer; women receiving progesterone with estrogen had a lower incidence of endometrial cancer than women who received no hormones.6 That is why, ever since the early 1980s, women who have had hysterectomies and who subsequently start hormone therapy get estrogen alone (ERT), while women who have not undergone hysterectomies and who start hormone therapy receive estrogen plus progesterone (HRT). Varieties of synthetic progesterone, developed to improve the absorption of the drug, are referred to as progestins.
Today, the major concern among physicians, women’s health activists, and laypeople is not uterine cancer but breast cancer—and the possible role of hormones in causing it. Throughout the 1980s and 1990s, however, there was little evidence to warrant that concern. On the contrary, there was a drumbeat of reassuring findings:
• A 1986 study led by epidemiologist Louise Brinton at the National Cancer Institute found no statistically significant increased risk of breast cancer among women on Premarin, even among those who had been taking it for more than twenty years.7
• A 1988 meta-analysis of twenty-two studies by Bruce Armstrong at the Research Unit in Epidemiology and Preventive Medicine of the University of Western Australia found no statistical association between ERT and breast cancer.8
• A 1991 study led by epidemiologist Julie Palmer at Boston University School of Medicine found no increased risk of breast cancer among Premarin users even after fifteen years of use.
- "How could one flawed scientific conclusion become a persuasive juggernaut that changed the practice of women's health worldwide? In their fascinating account, Bluming and Tavris challenge that conclusion and unpack the reasons for its remarkable impact."—Robert B. Cialdini, author of Influence
- "Given breast cancer's substantial morbidity, mortality, emotional toll and the vast consequences of its treatment, the frontal salvo on the conventional wisdom of estrogen use by Avrum Bluming and Carol Tavris is refreshing and welcome. The book will stir a lively debate about the merits of decades of existing clinical research on estrogens and help reframe the way clinicians and patients view the tradeoff between the benefits and risks of hormone therapy."—Jerome P. Kassirer, MD, Distinguished Professor, Tufts University School of Medicine; Editor-in-Chief, New England Journal of Medicine
- "This is such an important book, I want to do all I can to encourage every woman to read it. Groundbreaking and carefully researched, Estrogen Matters provides essential information about the many benefits of estrogen at menopause and even after a diagnosis of breast cancer. It reveals the misinterpretation of study results that led women (and their doctors) to have unwarranted concerns about estrogen use. The thoughtful information presented here will help women feel more comfortable taking estrogen, leading to healthier, longer lives for many."—Patricia T. Kelly, PhD, specialist in cancer risk assessment and author of Assessing Your True Risk of Breast Cancer
- "This book is long overdue, and I salute the authors for their courage and effort (and their clear, witty writing). I believe it is an ethical imperative for all clinicians who treat women in menopause or women with breast cancer to alert their patients to this book. It will not only improve women's quality of life, but also, on balance of probabilities, extend women's lives by delaying death from all other causes."—Michael Baum, MD, professor emeritus of surgery and visiting professor of medical humanities, University College London
- "Once considered a veritable fountain of youth, estrogen replacement got a bad rap with the Women's Health Initiative study. This book is an exhaustively researched and meticulously reasoned vindication of hormone replacement therapy. Estrogen matters: it's the most effective treatment for hot flashes and other symptoms of menopause, and when started early and used continuously, it has important health benefits and can actually prevent some of the adverse events it was thought to cause. Bluming and Tavris tell estrogen's story in a way that is both accessible to the general public and appropriate for professionals. What's more, they provide valuable insights into understanding research and how even the best randomized controlled studies can lead to unjustified public fears and injudicious clinical recommendations. Very enlightening!"—Harriet Hall, editor, Science-Based Medicine
- "Well written, insightful, and hard hitting, Estrogen Matters successfully rebuts the billion-dollar, government-led study known as the Women's Health Initiative, which claimed that hormones for post-menopausal women are harmful. That study was wrong. It turns out estrogens do matter for women's health."—Vincent T. DeVita Jr., MD, Professor of Medicine, Yale School of Public Health and Yale Cancer Center
- "This book is long overdue. Having spent over two decades advancing women's health, I was appalled by the Women's Health Initiative's efforts to sensationalize and distort their own findings to promote an anti-hormone-therapy agenda. Personally I have been taking HRT for over 25 years and have no intention of stopping. I hope Estrogen Matters draws enough attention to counter the fears and misinformation about HRT that so many women, and their physicians, still hold."—Phyllis Greenberger, MSW, former President and CEO of the Society for Women's Health Research
- "If you're one of the many menopausal women who reflexively avoid hormone replacement therapy to treat your symptoms because of all the scary headlines, this book is a must-read. The authors deftly cut through the hype to build a strong, well-reasoned case for challenging the current accepted wisdom."—Jennifer Ouellette, author of Me, Myself and Why and The Calculus Diaries
- "For far too many years women and their doctors have been held in fear of prescribing estrogens -- believing that they were dangerous because of a widely quoted study purporting to show that they were too damaging. Now it turns out that this seems to have been an example of 'fake' news. In a thorough, careful, and unbiased assessment of all the scientific evidence, Bluming and Tavris debunk this most widely quoted work and show that estrogens are not only not dangerous but beneficial for the vast majority of women suffering from post-menopausal symptoms, whether or not they have had breast cancer. This extremely valuable message deserves to be widely disseminated."—Lord Turnberg, former President of the Royal College of Physicians
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