Stress, Study | featured news

Researchers say a lack of sleep affects the function of genes related to stress and cell renewal, possibly contributing to poor health. Doctors know that being chronically sleep-deprived can be hazardous to your health.

Everyone knows stress can cause headaches and sleepless nights. But a new study suggests it can actually shrink your brain.

Alpha males may hold power and attract females, but a study of baboon troops in Kenya shows they also have very high levels of stress.

High levels of the stress hormone cortisol are closely linked to death from cardiovascular disease, a Dutch study has found.

A loving mother who kisses her child's boo-boos can help calm the stress hormones that can lead to chronic illness, a new study suggests