One of the tricky things about heart disease is that the symptoms of heart attack may be more subtle in women than in men. (bostonmamas.com)
Previous research had shown that among new fathers, testosterone levels were lower than in men of the same age who didn't have children. (sciencemag.org)
Higher levels of dietary folate in men have been related to the presence of fewer abnormal sperm than in those men with a low intake of folate. (integrativewomenshealthinstitute.com)