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Interesting how news about black cohosh, a natural herb women use to treat the hot flashes associated with menopause, that works like a drug acting on human opiate receptors hits at roughly the same time an Annals of Internal Medicine study attempts to debunk its value.
After analyzing several extracts of black cohosh, scientists discovered elements of the herb may bind with the human "mu" opiate receptor, part of a system that regulates various aspects of female reproductive neuroendocrinology, including the level of neurotransmitters and sex hormones that govern temperature regulation.
Due to a decline in estrogen during menopause, scientists believe those fluctuations may alter levels of brain chemicals, leading the thermoregulatory center in the hypothalamus to function irregularly. Black cohosh can trigger the "thermostat" in the hypothalamus to regulate a woman's temperature.
Just be careful about using black cohosh, as it has been found to interfere with drugs and radiation treatments used in cancer therapy. Some other safe and natural ways to optimize your hormone levels without taking hormone replacement therapy:
Journal of Agriculture and Food Chemistry, Vol. 54, No. 26, December 27, 2006: 9852-9857
Science Daily December 26, 2006
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