Lumbar disc degeneration and resulting lower back pain become greater concerns with age and disproportionately affect women more than men, likely as a result of decreasing estrogen levels during menopause.
Violent video game play by adolescents is associated with increases in physical aggression over time, according to a Dartmouth meta-analysis published in the Proceedings of the National Academy of Sciences (PNAS).
Marriage may protect against the development of heart disease-stroke as well as influencing who is more likely to die of it, suggests a pooled analysis of the available data, published online in the journal Heart.
A major health problem in older people is age-associated osteoporosis — the thinning of bone and the loss of bone density that increases the risk of fractures. Often this is accompanied by an increase in fat cells in the bone marrow.