What are diseases and how are they caused?

Answer 1

A diseases is a state in which a function or part of the body is no longer in a healthy condition. Diseases are caused by touching sick people they are caused by insects , through air , through food and water , by using other peoples clothes , by using sick peoples plate to eat and many other things.

Answer 2

if you want to find out that question ask a doctor or search it somewhere else on the internet and sorry if you don't get your answer on the internet