Obstetrics & gynaecology

Flaw in many home pregnancy tests can return false negative results

Each year, women in the U.S. rely on some 20 million home pregnancy tests to learn potentially life-altering news. Despite marketing claims that such tests are 99 percent accurate, research at Washington University School ...

Health

Testosterone: Why defining a 'normal' level is difficult

Testosterone is the main sex hormone in men. It's best known for its role in the development of male sexual characteristics and physical features, but there are also many surprising and lesser known functions of testosterone ...

Psychology & Psychiatry

Stressed? Take a 20-minute nature pill

Taking at least twenty minutes out of your day to stroll or sit in a place that makes you feel in contact with nature will significantly lower your stress hormone levels. That's the finding of a study that has established ...

Psychology & Psychiatry

Women's hormones play role in drug addiction, higher relapse rates

Women's hormonal cycles may not only make them more prone to drug addiction but also more affected by triggers that lead to relapse, a new Vanderbilt University study revealed. The findings are especially significant since ...

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