Question

Human health and disease​

Answer 1

Answer:

major cause of death. Drug and alcohol abuse also affect our health adversely. 8.1 COMMON DISEASES IN HUMANS. A wide range of organisms belonging to bacteria, viruses, fungi, protozoans, helminths, etc., could cause diseases in man.

Answer 2

health is defined as state of mental and social wellbeing, not merely an absence of disease.

Disease is a malfunctioning of some of parts/organs of the body.Disease has signs and symptoms.. Signs does not give actual presence of disease but symptoms give actual presence of disease. Disease causing agents called pathogens..

hope this will be helfull