Eating more fish or supplements high in omega-3 fatty acids may reduce the risk of sudden death from cardiac events in men, including men without a history of cardiovascular disease.
Mothers with depression had blood tests with higher levels of a protein associated with inflammation and expressed more negativity towards their children. Their children also had blood tests with elevated levels of this protein and were more socially withdrawn.
Long distance runners who identified more as an athlete were more likely to engage in compulsive exercise to improve mood and avoid negative feelings, and in women to manage weight.
E-cigarettes are less harmful than cigarettes for cardiovascular health, but still contain nicotine, which may have negative short-term effects on the cardiovascular system.