« previous next »
« previous next »
 

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Melanoma, forearm Melanoma, forearm
Risk of death from motorcycle accidents (dashed lines) and passenger accidents (solid lines) per 100 Risk of death from motorcycle accidents (dashed lines) and passenger accidents (solid lines) per 100
Risk-taking behavior by young males. Risk-taking behavior by young males.
Improving your flexibility can help you reduce muscle soreness and lower your risk of injury Improving your flexibility can help you reduce muscle soreness and lower your risk of injury
People in poor, urban areas often find themselves in “food deserts" People in poor, urban areas often find themselves in “food deserts"
Malignant melanoma Malignant melanoma
Video: Interpreting a cladogram Animation

For a complete list of videos, visit our video library