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.
Stress increases the risk and worsens the outcome of heart attack and stroke in adults who are already susceptible to cardiovascular disease. However, it is a less important factor than smoking or obesity.
The amount of cotinine (a molecular marker for nicotine) in children's saliva is a better measure of tobacco exposure and predictor of hospitalization rates for severe asthma than caregiver reports, suggesting that caregivers tend to underestimate children's environmental tobacco smoke exposure.
Compared to children of non-smokers, high school children who had at least one parent who smoked had more favorable attitudes towards smoking, and were more likely to smoke if they viewed it favorably.
People who consumed large amounts of sugar (over 51 grams per day for women or 67 grams for men) had a higher risk of developing five or more psychiatrically-relevant symptoms within five years.
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 Their children also had blood tests with elevated levels of this protein and were more socially withdrawn.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.