Word: estrogenic
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...teacher with a 6-month-old and a 3-year-old and a disease that came out of nowhere. The doctors' advice was clear and aggressive: a lumpectomy, followed by six months of chemotherapy, then radiation, then five years of tamoxifen. Her ovaries came out because the tumors were estrogen-positive. And the minute she was able, she and her husband Dave and their girls began reaching out and fighting back...
...closely linked because brain development proceeds on schedule even when a child experiences early or late puberty.) For years, psychologists attributed the intense, combustible emotions and unpredictable behavior of teens to this biochemical onslaught. And new research adds fresh support. At puberty, the ovaries and testes begin to pour estrogen and testosterone into the bloodstream, spurring the development of the reproductive system, causing hair to sprout in the armpits and groin, wreaking havoc with the skin, and shaping the body to its adult contours. At the same time, testosterone-like hormones released by the adrenal glands, located near the kidneys...
...years, a small but growing band of scientists has been raising concerns about the impact on human health of bisphenol A (BPA), a chemical used in plastic that mimics the effect of the hormone estrogen. BPA can be found in a wide variety of products, including some plastic bottles and the lining of aluminum cans, and it can migrate fairly easily into the human bloodstream. That means few of us escape exposure, if in small doses - in one survey, 93% of Americans tested positive for the chemicals. Concerned researchers point to animal studies that indicate that even low-dose exposure...
...just the aluminum that has caused alarm. Concerns about the potential link between antiperspirants and breast cancer bubbled up several years ago, buoyed by a study showing that breast-tumor cells taken from biopsies in women contained parabens, commonly used preservatives that can mimic the hormone estrogen. Another study found that among women with breast cancer, those who shaved their underarms frequently, then applied antiperspirant or deodorant, tended to develop the cancer at an earlier age. But, says Dr. Therese Bevers of Houston's MD Anderson Cancer Center, "all these studies are fraught with biases, so you have to interpret...
...women have over men in terms of cardiovascular disease, like heart attack and stroke. Women develop these problems usually in their 70s and 80s, about 10 years later than men, who develop them in their 50s and 60s. For a long time, doctors thought the difference was due to estrogen. But studies have shown that this may not be the case, and now we know that giving estrogen to women post-menopause can actually be bad for them...