Disease - Wikipedia
WEBA 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. Diseases are often known to be medical conditions that are associated with specific signs and symptoms.
Medical Diseases & Conditions - Mayo Clinic
WEBDiseases & Conditions. Easy-to-understand answers about diseases and conditions. Find diseases & conditions by first letter. A. B. C. D. E. F. G. H. I. J. K. L. M. N. O. P. R. S. T. U. V. W. X. Y. Z. # Symptom Checker. Find out what could be causing your symptoms and when to seek care. Check symptoms. Clinical trials.
Disease | Definition, Types, & Control | Britannica
WEBMar 30, 2024 · disease, any harmful deviation from the normal structural or functional state of an organism, generally associated with certain signs and symptoms and differing in nature from physical injury. A diseased organism commonly exhibits signs or symptoms indicative of its abnormal state.
Infectious diseases - Symptoms & causes - Mayo Clinic
WEBFeb 18, 2022 · Infectious diseases are disorders caused by organisms — such as bacteria, viruses, fungi or parasites. Many organisms live in and on our bodies. They're normally harmless or even helpful. But under certain conditions, some organisms may cause disease. Some infectious diseases can be passed from person to person.
Disease Definition & Meaning - Merriam-Webster
WEBnoun. dis· ease di-ˈzēz. Synonyms of disease. 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 and symptoms : sickness, malady. infectious diseases. a …
Parkinson's disease - Symptoms and causes - Mayo Clinic
WEBApr 5, 2024 · Overview. Parkinson's disease is a progressive disorder that affects the nervous system and the parts of the body controlled by the nerves. Symptoms start slowly. The first symptom may be a barely noticeable tremor in just one hand. Tremors are common, but the disorder also may cause stiffness or slowing of movement.
Human disease | Definition & Facts | Britannica
WEBMar 27, 2024 · human disease, an impairment of the normal state of a human being that interrupts or modifies its vital functions. Health versus disease. Before human disease can be discussed, the meanings of the terms health, physical fitness, illness, …
Infectious disease | Definition, Types, & Causes | Britannica
WEB6 days ago · infectious disease, in medicine, a process caused by an agent, often a type of microorganism, that impairs a person’s health. In many cases, infectious disease can be spread from person to person, either directly (e.g., via skin contact) or indirectly (e.g., via contaminated food or water).
Centers for Disease Control and Prevention
WEB4 days ago · Centers for Disease Control and Prevention. FEATURED TOPIC. Getting Enough Sleep? Know how much sleep you need to stay healthy. Learn more. CDC 24/7: Saving Lives, Protecting People. Health Topics A-Z. Travelers' Health. Emergency Preparedness. Injury, Violence, & Safety. Workplace Safety & Health. Environmental Health. FEATURED. View all Features.
Coronavirus disease (COVID-19) - World Health Organization …
WEBMay 1, 2024 · Coronavirus disease (COVID-19) is an infectious disease caused by the SARS-CoV-2 virus. Most people infected with the virus will experience mild to moderate respiratory illness and recover without requiring special treatment. However, some will become seriously ill and require medical attention.
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