Health Topics A–Z
Health Topics by Category

Arthritis and Rheumatic Diseases
Arthritis is often used to refer to any disorder that affects the joints. Rheumatic diseases usually affect joints, tendons, ligaments, bones, and muscles.
Muscle and Bone Diseases
The musculoskeletal system consists of the body's bones, muscles, tendons, ligaments, joints, and cartilage.
Skin Diseases
Allergies, irritants, genetic makeup, certain diseases, and immune system problems can cause skin conditions.Resources

Portal en español
Find health information in Spanish on conditions of the bones, joints, muscles, and skin.
Health Information in Asian Languages
Find health information in Chinese, Korean, and Vietnamese.
Educational Resources
Access science-based classroom materials and activities for teachers and students in grades 4-6.