« previous next »
« previous next »
 

Did you know?

Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Pedigree of a mitochondrial disease Pedigree of a mitochondrial disease
Parkinson’s Disease Parkinson’s Disease
Symptoms of dementia associated with Alzheimer disease are progressive. Symptoms of dementia associated with Alzheimer disease are progressive.
Alzheimer’s medications work by intensifying the effect of acetylcholine at the receptor. Alzheimer’s medications work by intensifying the effect of acetylcholine at the receptor.
Parkinson’s disease Parkinson’s disease
The developing organism senses maternally transmitted environmental cues The developing organism senses maternally transmitted environmental cues
Video: Virtual Tour of the Eye Animation

For a complete list of videos, visit our video library