A meta-analysis of 14 studies has led researchers to believe that even moderate alcohol consumption can contribute to atrial fibrillation, or irregular heart beat.

For decades, researchers have known that alcohol can affect your quality of sleep. Now, a new study shows that the alcohol disrupts the quality of sleep in healthy women more than in healthy men.

A new study explores the psychological impact of the British Petroleum (BP) oil spill last year that resulted in millions of gallons of oil spilling into the Gulf of Mexico for more than five months.

Premenstrual mood shifts are associated with depressive symptoms and  bipolar disorder, according to a new study.

Children as young as three years old have a sense of what's fair, according to a new study from Harvard University.

Youth offenders may have a higher proportional rate of traumatic brain injury (TBI) than the general population, according to a new study from the University of Exeter's School of Psychology.

A recent survey of couples who are married or cohabiting in the United Kingdom indicate they are paired up and loving it.

Writing down worries before taking an exam can alleviate test anxiety, according to a University of Chicago study.

In a large, collaborative research effort, researchers have found that lithium will restore brain volume in patients with bipolar disorder.

Programs in which volunteers and patients share information about their depression symptoms appears to work as well as one-on-one cognitive behavioral therapy.