Section archive

Testosterone

Vitamins

Could vitamin D boost your testosterone?

A Clinical Endocrinology study found men in the highest quintile of blood vitamin D had 8 percent higher total testosterone than those in the lowest, with the association flattening above roughly 75 to 85 nmol/L. The authors say the causality and direction remain unresolved.

Vitamins

Vitamin K may help men with low sexual hormone

Male Wistar rats fed a vitamin K-free diet for 35 days had lower testicular testosterone, and their serum testosterone dropped further after researchers triggered inflammation with lipopolysaccharide. The authors suggest testicular vitamin K helps hold testosterone steady.

Jun 17, 2011

Disease

Shorter index fingers linked to higher prostate cancer risk

Men whose index fingers were shorter than their ring fingers were about a third more likely to develop prostate cancer, and 87 percent more likely among men under 60, according to a British Journal of Cancer study. Relative finger length is set before birth.

Dec 2, 2010

Drug

Testosterone therapy raises heart risk

Researchers halted a six-month trial of testosterone gel in 209 elderly men with poor mobility after 23 in the treatment group suffered heart, breathing and skin problems, against five on placebo. Strength and mobility improved, but the risks ended the study early.

Jul 1, 2010

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