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For two decades, biology professor Frederick vom Saal has been trying to remove endocrine disruptors from daily use. These chemicals interfere with your hormone system and can cause obesity, infertility and cancer. He has published dozens of scientific...
Over the past four decade, use of the contraceptive pill has vastly increased. The amount of estrogen that has entered the water supply as a result could be partially responsible for the increased incidence of prostate cancer around the world. Excess...
Obesity can be added to the long list of disorders that can be caused by medicine. Recent research shows that altering your intestinal flora with antibiotics influences appetite-regulating hormones and body mass. A study found that people treated with...
Oxytocin, a hormone that is believed to help people form emotional bonds with each other, could also be effective in treating people with schizophrenia, autism and other psychiatric disorders related to social interaction. Some scientific studies have...
As reported by CNN Health, two major studies, one in U.S. men and another in Danish men, have confirmed that their testosterone levels have dropped approximately 22 percent between 1987 and 2004. Other new health challenges that today’s men are facing...
Soy supplements are reputed to stave off hot flashes, night sweats, and other uncomfortable menopausal symptoms. But the latest in a series of disappointing studies finds that soy supplements do not actually have any such effect, not do they reduce the...
Not only is the number of multiresistant strains of bacteria in hospitals is increasing, but new research shows that developing resistance may also increase their ability to reproduce. Usually, the acquisition of new genes, such as those for antibiotic...
Melatonin is best known as sleep hormone because of its action controlling the circadian cycle. But melatonin also has antioxidant properties, and may have an important anti-aging role. A recent study looked at artificially aged mice to determine the...
The thyroid drug Synthroid (levothyroxine sodium), as the name implies, is anything but natural. It is not bio-equivalent to the natural hormone thyroxine, but is instead a synthetic, hormone-like substance with very different properties. In conventional...
Triclosan is an antimicrobial chemical found in personal care and sanitizing products. It can be found in soaps, toothpaste, and hair products. But there have been recent concerns about its possible effects on human health -- and triclosan has been detected...
Many compounds present in the environment are capable of binding to cellular estrogen receptors and then mimicking the actions of physiological estrogens. The origin of these chemicals is widespread, and their diversity in chemical structure is extensive...
Age associated decline in anabolic hormones, such as testosterone and IGF-1, is a strong predictor of metabolic syndrome, diabetes and mortality in older men. Research has suggested that magnesium intake affects levels of both hormones. A study sought...
According to new evidence, women who have higher levels of the appetite-controlling hormone leptin have fewer symptoms of depression. Animal studies have suggested that that leptin may reduce anxiety and improve depression. The new research is another...
Insufficient sleep can drastically reduces a healthy young man's testosterone levels, according to a new study. Researchers found that testosterone levels dropped in men who slept less than five hours a night for one week. Low testosterone comes with...
Human growth hormone (HGH) is naturally produced by your body in sufficient quantities until you reach the age of 21. After this, production starts to drop. HGH is the master hormone controlling growth. It helps build muscles, bones, organs and the basic...
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