Health

The hazards of living on the right side of a time zone border

The sun both rises and sets later in the western parts of time zones, by about an hour at the extremes. If sunrise in Nashville, Tennessee is 6:30 a.m., it's about 7:30 a.m. in Amarillo, Texas. Similarly, if sunset in Nashville ...

Psychology & Psychiatry

Some women could be more susceptible to PTSD than others, study finds

Childhood trauma is known to increase the risk of post-traumatic stress disorder (PTSD) in adulthood, especially for women, but the biological reasons for this correlation remain largely unknown. In a new study from the University ...

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 ...

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