Jun 5, 2025 · Find information on diagnosis, treatment, and prevention for skin conditions caused by allergies, irritants, genetic makeup, certain diseases, immune system problems and more.

Psoriasis is a chronic (long-lasting) disease in which the immune system becomes overactive, causing skin cells to multiply too quickly. Patches of skin become scaly and inflamed, most …

Normally, the immune system works throughout your body to fight off and defend your body from viruses, bacteria, and infection. In people with autoimmune diseases, the immune cells attack …

Scleroderma causes areas of tight, hard skin, but can also harm your blood vessels and organs. Learn the causes and treatments of this skin disease.

Jun 6, 2025 · Find diagnosis, treatment, and prevention information on more than 20 different muscle and bone diseases and conditions affecting the musculoskeletal system.

Jun 9, 2025 · NIAMS offers science-based classroom materials and activities for teachers to build accurate, age-appropriate lesson plans about skin for students in grades 4, 5, and 6.

Muscle and Bone Diseases The musculoskeletal system consists of the body's bones, muscles, tendons, ligaments, joints, and cartilage.

Overview of Alopecia Areata Alopecia areata is a disease that happens when the immune system attacks hair follicles and causes hair loss. Hair follicles are the structures in skin that form hair. …

Epidermolysis bullosa is a group of rare diseases that cause the skin to be fragile and to blister easily. Learn about the types & symptoms.

Overview of Ichthyosis Ichthyosis refers to a group of skin disorders that lead to dry, itchy skin that appears scaly, rough, and red. The symptoms can range from mild to severe. Ichthyosis can …