There are four main types of disease: infectious diseases, deficiency diseases, hereditary diseases (including both genetic and non-genetic hereditary diseases), and physiological …

Oct 30, 2025 · disease, any harmful deviation from the healthy structural or functional state of an organism, generally associated with certain signs and symptoms and differing in nature from …

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Jun 5, 2025 · Osteoporosis is a bone disease that develops when the bones get weaker and less dense. When a child or teen develops osteoporosis, the condition is known as juvenile …

Mar 7, 2025 · What’s the definition of a disease? A disease is a disorder that interferes with your body’s normal functions. “Typically, a disease is something that your physician diagnoses, …

Jun 1, 2025 · At first glance, the answer seems deceptively simple: disease is the presence of illness, of something going wrong within the body. But the deeper we probe into this …

The meaning of DISEASE is 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 and symptoms : …

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Note: illness is sometimes used as a synonym of disease, but it also refers to a person's perception of their health, regardless of whether the person does or does not have a disease.

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