Washington: In a general sense, medical studies support the popular intuition -- a staple of movies and literature -- that suicidal behavior and substance misuse are linked. But the relationship between the two is not so simple. 

New York: Could there be a vegetarian gene? Cornell University researchers have found evidence of a genetic variation – called an allele – that has evolved in populations that have historically favored vegetarian diets, such as in India, Africa and parts of East Asia. 

Columbus: When it comes to emotional health, young couples – especially women -- do just as well moving in together as they do getting married, according to a new national study.

Washington: For each additional month of paid maternity leave offered in low- and middle-income countries (LMICs), infant mortality is reduced by 13%, according to a new study by researchers from McGill University and UCLA Fielding School of Public Health.

Washington: Women who perceive that their sexual partner is imposing perfectionist standards on them may suffer sexual dysfunction as a result, psychologists at the University of Kent have found.

Los Angeles: Why do opponents of same-sex marriage really oppose it?

Washington: Among individuals already thinking about suicide, those who play action video games may be significantly more capable of attempting it than those who play other video game categories, according to a new study from Texas Tech University.

Washington: Roughly 52 percent of American households will not have enough retirement income to maintain their standard of living if they retire at 65.

Bozeman: Married physicians with highly educated spouses are less likely to practice in rural underserved areas, according to a new study published recently in the Journal of the American Medical Association. Montana State University nursing professor Peter Buerhaus is co-author on the study.

Washington: Staying active socially despite health-related challenges appears to help lessen the decline in well-being people often experience late in life, according to research published by the American Psychological Association.