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Body News.
Byline: Kristin Sainani
Absolving Caffeine
Coffee and caffeine do not increase breast-cancer risk, according to one of the most definitive studies on the subject to date. Researchers at Harvard School of Public Health and Harvard Medical School measured the dietary habits of 85,987 women periodically for 22 years, during which time 5,272 women developed breast cancer. There was no increase in breast-cancer risk among women who regularly drank four or more cups of caffeinated coffee per day or consumed at least 700 milligrams of caffeine daily from food and drinks; older (postmenopausal) women with high caffeine consumption even had a small (12 percent) decrease in risk. "I believe that coffee has nothing to do with breast cancer, and women should not be avoiding it because of breast-cancer risk," says Ganmaa Davaasambuu, lead author of the study. This does not mean that coffee is completely benign, she adds--excess caffeine can cause other side effects, such as irritability and difficulty sleeping. Also, of course, "caffeine is addictive," she points out, so variable intake can cause withdrawal symptoms.
58% of women studied drink two or more cups of caffeinated coffee per day. --International Journal of Cancer
Skin Transformer
Old skin can become young again, scientists have shown. Dermatologists identified a gene that drives aging in human and mouse cells; when they deactivated it in the skin of aged mice, the skin became youthful-looking again within two weeks. Evidently, aging is a process that can be switched on and off, says Howard Y. Chang, assistant professor of dermatology at Stanford University. These mice were bred with an altered version ...
- Eight-Plus Hours Sleep Reduces Women's Breast Cancer Risk.
- News wire article from: AScribe Health News Service October 14, 2005 700+ words
...Newswire) -- Women who sleep longer than eight hours...We assessed their sleep duration two times over...that the longer a woman sleeps, the lower her risk...The reduced breast cancer risk was strongest in those...reported the same amount of sleep each time. The result...
- Exercise and rest reduce cancer risk.
- Magazine article from: Women's Health Weekly December 4, 2008 700+ words
...or not getting adequate sleep further affected a women's cancer risk. Researchers assessed...examined the association of sleep duration with cancer risk. This novel study examining the interaction of sleep and physical activity...
- Breast cancer risk rises with night-shift hours. (Melatonin Implicated).
- Magazine article from: OB GYN News Moon, Mary Ann December 1, 2001 700+ words
...who often didn't sleep during the period...increase in breast cancer risk for every night of...increased breast cancer risk. Women who had worked...typically peak during sleep in the middle of...light and breast cancer risk.
- Night work curbs melatonin, may be cancer risk factor.(Knight Ridder Newspapers)
- Newspaper article from: Knight Ridder/Tribune News Service McCullough, Marie January 23, 2002 700+ words
...Is working at night a cancer risk factor? And could changing...fall, which found breast cancer risk was slightly to moderately...urine output at night so sleep won't be interrupted...factors might increase cancer risk. Since breast, prostate...
- Night work curbs melatonin, may be cancer risk factor.
- Newspaper article from: The Philadelphia Inquirer (via Knight-Ridder/Tribune News Service) January 11, 2002 700+ words
...Is working at night a cancer risk factor? And could changing...fall, which found breast cancer risk was slightly to moderately...urine output at night so sleep won't be interrupted...factors might increase cancer risk. Since breast, prostate...
- STUDIES INDICATE THAT WORKING AT NIGHT INCREASES THE RISK OF BREAST CANCER THE...
- Newspaper article from: Wisconsin State Journal (Madison, WI) January 27, 2002 700+ words
...Is working at night a cancer risk factor? Faced with mounting...fall, which found breast cancer risk was slightly to moderately...urine output at night so sleep won't be interrupted...factors might increase cancer risk. Since breast, prostate...
- Cancer risk linked to night shifts. (Environment).(Brief Article)
- Magazine article from: Science News November 17, 2001 700+ words
...days. Those adjustments can disturb sleep patterns, impair mental acuity, and...clear evidence of a trend of increasing [cancer] risk with increasing years of graveyard shift...measures of light at night and breast-cancer risk seem to relatively consistently point...
- Magnetic field exposure, breast cancer risk tied
- Newspaper article from: The Boston Globe Richard Saltus, Globe Staff August 20, 1996 700+ words
...magnetic fields increases breast cancer risk." It was only the second study...night and that helps regulate the sleep-wake cycle. Melatonin also controls...effects of breast-feeding on breast cancer risk. (It found that the practice is...
