Estrogen
Female sex hormone.
There is no one hormone named "estrogen"; estrogens are hormones that induce or accentuate female sexual characteristics (as well as performing other functions, depending on the specific hormone). Estrogens include estrone, progesterone, and estradiol. "estrogenic" means "tending to induce the same effects that estrogen does"; while chemicals that mimic testosterone are almost nonexistent in nature, our food supply, and our environment, estrogenic chemicals are common. Some of these, such as genestein (found in soy) have gotten considerable press coverage because they are weak estrogens, meaning that while they can occupy an estrogen receptor , they do not stimulate the receptor to as great an extent as the body's own estrogens would, which can reduce one's risk of estrogen-related cancers and tumors, most notably breast cancer. However, for this last effect to occur, the weak estrogens must be present in the body in sufficient quantity so that they displace existing natural estrogens that would otherwise stimulate available estrogen receptors--and the total degree of stimulation produced by the greater number of occupied receptors must be less than would have been produced by the naturally present estrogens alone. Other estrogenic chemicals are found in plastics and pesticides and exert harmful developmental effects by disrupting the normal hormonal events that take place in humans and animals.
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- Estrogen information at Archinte.ama-Assn.org
- Estrogen information at Cancer.gov
- Estrogen information at Cancerweb.ncl.ac.uk
- Estrogen information at Courses.washington.edu
- Estrogen information at Dmeb.net
- Estrogen information at E.hormone.tulane.edu
- Estrogen information at Eeletter.com
- Estrogen information at Energybulletin.net
- Estrogen information at Envirocancer.cornell.edu
- Estrogen information at Essentialestrogen.com
- Estrogen information at Healthywomen.org
- Estrogen information at Keepstudy.org
- Estrogen information at Labtestsonline.org
- Estrogen information at Labtestsonline.org
- Estrogen information at Lef.org
- Estrogen information at Madewithmolecules.com
- Estrogen information at Medicalnewstoday.com (article)
- Estrogen information at Medterms.com
- Estrogen information at Naturalnews.com (articles)
- Estrogen information at News-Medical.net
- Estrogen information at Nhlbi.nih.gov
- Estrogen information at Nrr.georgetown.edu
- Estrogen information at Pmeb.org
- Estrogen information at Premarin.org
- Estrogen information at Pubs.acs.org
- Estrogen information at Sciencedaily.com (news story)
- Estrogen information at Sfn.org
- Estrogen information at Statesman.com
- Estrogen information at Teamestrogen.com
- Estrogen information at Usnews.com
- Estrogen information at Womenshealth.about.com
- Estrogen information at Worldandi.com
