Men's testosterone levels largely determined by where they grow up
Men's testosterone levels are largely determined by their environment during childhood, according to new research.
Men's testosterone levels are largely determined by their environment during childhood, according to new research.
Evolution
Jun 25, 2018
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Pre-birth exposure to high levels of the male sex hormone testosterone has already been shown to confer evolutionary advantages for men: strength of sex drive, sperm count, cardiovascular efficiency and spatial awareness, ...
Evolution
Apr 8, 2015
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2030
In the U.S. today, the majority of professional stock market traders are young males and new evidence suggests biology strongly influences their trading behavior. According to a new study in the INFORMS journal Management ...
Economics & Business
Oct 10, 2017
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655
Women who shared their mother's womb with a male twin are less likely to graduate from high school or college, have earned less by their early 30s, and have lower fertility and marriage rates when compared with twins who ...
Social Sciences
Mar 18, 2019
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331
Since the controversial documentary series "Ancient Apocalypse" dropped on Netflix last November, academics and journalists around the world have been incensed at its false claims and misinformation.
Archaeology
Dec 15, 2022
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80
Mouse lemurs can live at least eight years in the wild – twice as long as some previous estimates, a long-term longitudinal study finds.
Plants & Animals
Oct 29, 2014
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0
(PhysOrg.com) -- Men with strong immune systems are most attractive to members of the opposite sex according to a new study from the University of Abertay Dundee and partners.
Social Sciences
Feb 23, 2012
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0
Researchers at the University of California, Riverside have identified components in pomegranate juice that both inhibit the movement of cancer cells and weaken their attraction to a chemical signal that promotes the metastasis ...
Cell & Microbiology
Dec 12, 2010
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Daily exposure to phthalates, a group of chemicals used in everything from plastic containers to makeup, may lead to approximately 100,000 deaths in older Americans annually, a study from New York University warned Tuesday.
Environment
Oct 13, 2021
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(PhysOrg.com) -- University of Queensland research suggests that the presence of a beautiful woman can lead men to throw caution to the wind.
Social Sciences
Mar 1, 2010
2
0
Testosterone is a steroid hormone from the androgen group. In mammals, testosterone is primarily secreted in the testes of males and the ovaries of females, although small amounts are also secreted by the adrenal glands. It is the principal male sex hormone and an anabolic steroid.
In men, testosterone plays a key role in health and well-being as well as preventing osteoporosis. On average, an adult human male body produces about forty to sixty times more testosterone than an adult female body, but females are, from a behavioral perspective (rather than from an anatomical or biological perspective), more sensitive to the hormone. However, the overall ranges for male and female are very wide, such that the ranges actually overlap at the low end and high end respectively.
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