This Web site provides easy-to-understand explanations of body systems and disease conditions. The material may be used for patient education, life sciences curriculum development, or to enhance public understanding of general health concepts.

The following health topics are discussed:

• About the back and back problems
• About the ear and hearing
• How your body makes, stores, and releases urine
• The immune system and HIV
• The keys to heart health
• What are pressure ulcers?
• What is a cataract?
• What is a stroke?
• What is Alzheimer's disease?
• What is depression?
• What is pain?
• What is sickle cell disease?
• What is your prostate?