what is disease? how do we know that a person is diseased what can be the various causes for a person getting diseased
Answers
Explanation:
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.
Explanation:
disease is an illness of the body in humans, animals or plants.
if in a person unnecessary symptoms are found
then we recognise that a person is suffering from a disease.
Infectious diseases can be caused by:
Bacteria. These one-cell organisms are responsible for illnesses such as strep throat, urinary tract infections and tuberculosis.
Viruses. Even smaller than bacteria, viruses cause a multitude of diseases ranging from the common cold to AIDS.
Fungi. ...
Parasites.
There are many tricks to find if a person is unhealthy or not
if the person is in contact with unhealthy person or with some infectious diseases