« previous next »
« previous next »
 

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Killer Whale - Size comparison to an average human. Killer Whale - Size comparison to an average human.
Cirrhosis. Cirrhosis is characterized by a chronic deterioration of the liver, replacing healthy cel Cirrhosis. Cirrhosis is characterized by a chronic deterioration of the liver, replacing healthy cel
This map shows the percentage of Protestants by state in Germany. When compared to the previous map This map shows the percentage of Protestants by state in Germany. When compared to the previous map
Average Pulse Rates by Age Average Pulse Rates by Age
How Urban Is Your State? The Rural-Urban Makeup of the United States How Urban Is Your State? The Rural-Urban Makeup of the United States
Red Spotted Newt (Notophthalmus v. viridescens), New Hampshire state animal. Red Spotted Newt (Notophthalmus v. viridescens), New Hampshire state animal.
Video: Prone Position

For a complete list of videos, visit our video library