Distinguish between: Infectious diseases and Non-infectious diseases.

(N/A) $1$. Infectious diseases: These are diseases that are easily transmitted from one person to another. They are very common,and everyone suffers from them at some point. Some infectious diseases,like $AIDS$,are fatal.
$2$. Non-infectious diseases: These diseases are not transmitted from one person to another. Cancer is a major cause of death among non-infectious diseases. Additionally,the use of drugs and alcohol also adversely affects our health.