Question

what is a disease write any two reason for disease​

Answer 1

Answer:

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.

Answer 2

Answer:

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.

Some disease names are as follows

Allergies.

Colds and Flu.

Conjunctivitis ("pink eye“)

Diarrhea.

Headaches.

Mononucleosis.

Stomach Aches.