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2 days ago — Disease is any harmful deviation from the normal structural or functional state of an organism. It generally is associated with certain ...
by JL Scully · 2004 · Cited by 300 — The answer to “What is a disease?” is straightforward. Most of us feel we have an intuitive grasp of the idea, reaching mentally to ima
Infectious diseases are illnesses caused by harmful germs (pathogens) that get into your body. The most common causes are viruses, bacteria, fungi and ...
Sep 19, 2025 — Infectious diseases are illnesses caused by organisms such as bacteria, viruses, fungi or parasites. Some infectious diseases can be passed ...
1. a condition of the living animal or plant body or of one of its parts that impairs normal functioning and is typically manifested by distinguishing signs ...
Disease can be defined as to be a lack of health with both physical and mental symptoms that cause a functioning outside the normal range of accepted values.