People who laugh a lot are much healthier than those who don't.

From the age of thirty, humans gradually begin to shrink in size.

You burn more calories sleeping than you do watching T.V.

Right-handed people live, on average, nine years longer than left-handed people do.

The human brain stops growing at the age of 18.

The number one cause of blindness in the United States is diabetes.

Lack of exercise increases bone loss and incidence of fractures.

Thin women are more likely develop osteoporosis than obese women.

Smoking not only causes 87% of lung cancers, it also increases risk of infertility and bladder cancer.

People who sleep less than 7 hours per night are three times more likely to develop an infection when exposed to a common cold virus than those who sleep more than 8 hours per night.

Blood pressure is normal if it is 120/80. Blood pressure should be measured at least 1 hour after caffeine, 30 minutes after smoking or strenuous exercise and without any stress.

Obesity is a leading preventable cause of death worldwide, and  WHO thinks of it as one of the most serious health problems of the 21st century.

Sleep deprivation doubles the risk for obesity.

Approximately 85% of all skin cancer cases are caused by exposing to too much sun.

The older the mother the greater the chances are to conceive a child with Down's syndrome.

Regular green tea drinkers may have lower chances of heart disease and in general lower high blood pressure.