Question

Give reason – Chronic diseases cause more harm to the body than acute diseases. Infectious diseases are called communicable diseases.

Answer 1

chronic diseases are long term disease so they affect our health more than acute diseases. it takes more time to be cured.

Answer 2

Chronic disease is more harmful as it lasts for a long time and causes drastic long term effects on human health, e.g. diabetes, TB, etc. On the contrary, acute disease lasts for a very short period of time, e.g. common cold, cough, etc.
b. Infectious diseases are caused by microscopic germs (such as bacteria or viruses) that get into the body and cause problems. Some — but not all — infectious diseases so they also called communicable disease.
hope it's help
shanaya ⭐