|
|
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
Illicit drug use costs the United States approximately $181 billion every year.
Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).
Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.