Other

Testes size correlates with men's involvement in toddler care

Men with smaller testes than others are more likely to be involved in hands-on care of their toddlers, a new study conducted by anthropologists at Emory University finds. The Proceedings of the National Academy of Sciences ...

Medical research

Testosterone levels affect risk of metabolic disease and cancers

Having genetically higher testosterone levels increases the risk of metabolic diseases such as type 2 diabetes in women, while reducing the risk in men. Higher testosterone levels also increase the risks of breast and endometrial ...

Psychology & Psychiatry

Scientists find gender-distinct circuit for depression

Depression affects women nearly twice as much as men, but unraveling the brain's blueprint that regulates this behavior, let alone identifying specific molecular differences between sexes, has proven difficult.

Psychology & Psychiatry

Testosterone increases men's preference for status goods

A research team led by Hilke Plassmann, the INSEAD Chaired Professor of Decision Neuroscience & Brain and Spine Institute (ICM—Inserm/CNRS/Sorbonne Université) shows that testosterone, the male sex hormone, increases men's ...

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Testosterone

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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