Health

Low sperm count not just a problem for fertility

A man's semen count is a marker of his general health, according to the largest study to date evaluating semen quality, reproductive function and metabolic risk in men referred for fertility evaluation. The study results, ...

Health

BPA lowers male fertility: report

Daily exposure to a chemical that is prevalent in the human environment, bisphenol A (BPA), causes lowered fertility in male mice, according to the results of a new study that will be presented Saturday at The Endocrine Society's ...

Psychology & Psychiatry

Adolescent impatience increases as testosterone levels rise

In a series of studies conducted at the Max Planck Institute for Human Development, researchers have examined risky and impulsive decision behavior in adolescence. A study recently published in the journal Psychoneuroendocrinology ...

Health

How low testosterone can affect men's health

Millions of men live with a testosterone deficiency. If left unchecked, this treatable condition may contribute to serious health problems like osteoporosis and lowered red blood cell production.

Psychology & Psychiatry

Study charts development of emotional control in teens

In the midst of all the apparent tumult, intense emotion, and occasional reckless behavior characterizing the teenage years, the brain is, in fact, evolving and developing the neural circuits needed to keep emotions in check. ...

Health

Low-fat diet linked to lower testosterone levels in men

For the many men diagnosed with testosterone deficiency, losing weight can help increase testosterone levels. But certain diets—specifically a low-fat diet—may be associated with a small but significant reduction in testosterone, ...

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