More women over age 45 have high cholesterol than men. Recent research shows that cholesterol acts as an antioxidant. The liver is the place where this cholesterol is manufactured and circulated into the blood stream flowing across the...

Hair is composed of 50.65% carbon, 20.85% oxygen, 17.14% nitrogen, 6.36% hydrogen, and 5.0% sulfur. Hair also contains trace amounts of magnesium, arsenic, iron, chromium and other metals and minerals. The normal scalp contains approximately 100,000...

The heart is the first organ to begin functioning during embroyonic life. In the average lifetime, the heart beats 2.5 billion times. The human heart beat roughly 35 million times a year. Women hearts beat faster than men. The heart pumps about...

Neurons multiply at a rate 250,000 neurons per minute during early pregnancy. Eating foods rich in vitamin E, beta-carotene, and vitamin C may help lower your risk of Alzheimer's disease. It is not possible to tickle yourself. The cerebellum, a...

Blood makes up about 7% of your body's weight. One out of every 10 people admitted in a hospital needs blood. Human blood consists of about 22 percent solids and 78 percent water. Giving blood will not decrease your strength. The kidneys...

Humans sleep on average around three hours less than other primates like chimps, rhesus monkeys, squirrel monkeys and baboons, all of whom sleep for 10 hours. Elephants sleep standing up during non-REM sleep, but lie down for REM sleep. Over 20%...

Diabetes is a syndrome of disordered metabolism resulting in abnormally high blood sugar levels . There are two major types of diabetes. In type 1 a hormone that enables the body to use glucose found in foods for energy. People with type 1 diabetes...

Women are more likely than men to be obese in all age groups. Babies born to obese mothers may have an increased risk of asthma, according to data from a new study to be presented on May 19 at the 105th International Conference of the American...

There are over 4,000 dangerous chemicals in cigarettes, cigars and pipes smoke . Many of these chemicals are cancer-causing (carcinogen). Each day 3,000 children smoke their first cigarette. More than 400,000 deaths in the U.S. each year are from...