Cardiology

Statins' unique effectiveness in preventing heart disease

Statins, a class of drugs that lowers the level of cholesterol in the blood by reducing the production of cholesterol by the liver, are the first line of defense in preventing and treating cardiovascular disease. Statins ...

Health

Site of male sexual desire uncovered in brain

The locus of male sexual desire has been uncovered in specific regions of brain tissue where a key gene named aromatase is present, reports a new Northwestern Medicine study in mice.

Medications

Hormone therapy no cure-all for 'low T' in aging men

Testosterone therapy ads promise to help aging men recapture their vitality, decrease body fat and enhance libido. But hormone treatments—while medically necessary for some men—aren't meant to be a fountain of youth, ...

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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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