A disease is a particular abnormal condition that negatively affects the structure or function of all or part of an organism, and that is not due to any immediate external injury. Diseases are often known to be medical conditions that are associated with specific signs and symptoms.

What do you mean by sickness?

1a : ill health : illness. b : a disordered, weakened, or unsound condition. 2 : a specific disease. 3 : nausea, queasiness. Synonyms & Antonyms Example Sentences Learn More About sickness.

What are the examples of sickness?