The molecular mechanism behind why heart attacks can vary in severity depending on the time of day has been uncovered, potentially paving the way for innovative treatments that align with the natural circadian rhythm.

Body appreciation differs between Middle-Eastern and Western societies, a new international study can reveal, highlighting how cultural and family influences shape body image and eating behaviors in young women. The study surveyed over 850 women aged 18-25 in Australia and Lebanon, examining the roles that mothers and sisters play in shaping body dissatisfaction, body appreciation, and eating patterns.

Oral hormone therapy may benefit heart health in menopausal women. A new analysis of data from the Women's Health Initiative found that estrogen-based oral hormone therapy had a long-term beneficial effect on biomarkers of cardiovascular health, including cholesterol.

Adolescents who sleep for longer -- and from an earlier bedtime -- than their peers tend to have improved brain function and perform better at cognitive tests, researchers have shown. But the study of adolescents in the US also showed that even those with better sleeping habits were not reaching the amount of sleep recommended for their age group.

A new study found that the oral and extended-release injectable forms of naltrexone are equally effective in helping patients consume less alcohol, suggesting that clinicians should integrate this medication into routine hospital care.

Capitalizing on the flexibility of tiny cells inside the body's smallest blood vessels may be a powerful spinal cord repair strategy, new research suggests.

Breakthrough research could make any IV drug able to be taken orally for a range of hard-to-treat cancers and other diseases, and redefine how medicines are designed, evaluated and delivered.