|
|
People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).
Blood is approximately twice as thick as water because of the cells and other components found in it.
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).
Illicit drug use costs the United States approximately $181 billion every year.