« previous next »
« previous next »
 

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

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?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

Chemosynthesis-based community on the East Pacific Rise. Chemosynthesis-based community on the East Pacific Rise.
How lateral inhibition produces contrast enhancement. (Based on Ratliff, 1972.) How lateral inhibition produces contrast enhancement. (Based on Ratliff, 1972.)
Three active forms of vitamin A: all-trans-retinol, -retinal, and –retinoic acid Three active forms of vitamin A: all-trans-retinol, -retinal, and –retinoic acid
The science-based DRIs serve as the basis for information The science-based DRIs serve as the basis for information
Non-Hormonal Forms of Birth Control Non-Hormonal Forms of Birth Control
Mass Wasting Forms Mass Wasting Forms
Video: Muscle Fatigue and Recovery

For a complete list of videos, visit our video library