Adelaide: Sexual inequality between boys and girls starts as early as in the mother's womb – but how and why this occurs could be a key to preventing higher rates of preterm birth, stillbirth and neonatal death among boys.

Washington: Having regular positive interactions with family and friends and being involved in several different social networks can help older adults be healthier, according to new research published by the American Psychological Association.

Washington: Men who are looking for short-term companionship are more interested in a woman's body than those looking for a long-term relationship, who focused on a woman's face, according to new research from psychologists at The University of Texas at Austin.

Washington: The list of possible health effects from an early introduction to alcohol and tobacco use has just gotten longer. A new study suggests that early drinking and smoking might delay onset of puberty in girls — but the operative word is 'might.'

Washington: Can science prove that romantic love can last? A new study led by Bianca Acevedo and Arthur Aron of the Department of Psychology at Stony Brook University, and colleagues, compared the neural correlates of long-term married and in love individuals with individuals who had recently fallen in love.

Amherst: Early results of a study by researchers at the University of Massachusetts Amherst suggest that in the future, women and their physicians may have a new tool for evaluating breast cancer risk by examining epithelial cells naturally present in breast milk. The method could provide an earlier, personalized assessment of breast cancer risk than any of the currently available methods.