Your mouth produces about one quart of saliva each day

Human sweat is odorless. The odor is produced when sweat mixes with bacteria in the skin

CT scans of mummies shows that heart disease was surprisingly common in ancient Egypt, suggesting that the prevalence of heart disease in modern times cannot be attributed exclusively to the inactivity and other unhealthy modern habits

People who live alone are twice as likely to have a heart attack as people who live with a partner or roommate

Approximately 40% of people having a heart attack die before getting to the hospital