Disease - Wikipedia
There are four main types of disease: infectious diseases, deficiency diseases, hereditary diseases, and physiological diseases. …
Disease | Definition, Types, & Control | Britannica
Aug 1, 2026 · disease, any harmful deviation from the healthy structural or functional state of an organism, generally associated with …
DISEASE Definition & Meaning - Merriam-Webster
2 days ago · The meaning of DISEASE is a condition of the living animal or plant body or of one of its parts that impairs normal …
What Is Disease? The Medical Science of Illness Explained
Jun 1, 2025 · In medical science, disease is defined as a condition that disrupts normal bodily function and produces specific signs or …
What Is Disease? Causes, Types, and How It Spreads
Disease is more than just feeling sick. Learn what causes it, how it spreads, and why your genes, environment, and social conditions …
Medical Diseases & Conditions - Mayo Clinic
Explore comprehensive guides on hundreds of common and rare diseases and conditions from the experts at Mayo Clinic.
Centers for Disease Control and Prevention | CDC
PCD is a peer reviewed journal covering research, public health findings, innovations, and practices on chronic diseases.
Lists of diseases - Wikipedia
A medical condition is a broad term that includes all diseases and disorders. A disease is an abnormal condition affecting the body of …
Disease - Simple English Wikipedia, the free encyclopedia
A disease or medical condition is an unhealthy state where something bad happens to the body or mind. [1] Diseases can cause …
Conditions A to Z - NHS
Find out about health conditions, including their symptoms and how they're treated.