A disease is a particular abnormal condition that adversely affects the structure or function of all or part of an organism and is not immediately due to any external injury. [1] Diseases are often known to be …

Dec 12, 2025 · Disease is any harmful deviation from the normal structural or functional state of an organism. It generally is associated with certain signs and symptoms.

Explore comprehensive guides on hundreds of common and rare diseases and conditions from the experts at Mayo Clinic.

Jun 5, 2025 · NIAMS research focuses on arthritis & musculoskeletal & skin diseases. Learn about symptoms , causes, & treatment for more than 50 diseases and conditions.

DISEASE definition: 1. (an) illness of people, animals, plants, etc., caused by infection or a failure of health rather…. Learn more.

DISEASE definition: a disordered or incorrectly functioning organ, part, structure, or system of the body resulting from the effect of genetic or developmental errors, infection, poisons, nutritional deficiency …

EID is a monthly peer reviewed journal covering infectious diseases with emphasis on disease prevention, control, and elimination. PCD is a peer reviewed journal covering research, public health …

Dec 15, 2025 · “For decades, Americans suffering from Lyme disease have been denied the accurate diagnostics and meaningful care they deserve,” said Secretary Kennedy. “Today’s actions push us …

Index of comprehensive articles on medical diseases and conditions, a listing. Covers all aspects of medicine produced by doctors.

A disease or medical condition is an unhealthy state where something bad happens to the body or mind. [1] Diseases can cause pain, parts of the body to stop working the right way, or death.