Question

who prove that smoking is ingiours to health​

Answer 1

Answer:

Smoking is a major risk factor for heart attacks, strokes, chronic obstructive pulmonary disease (COPD) (including emphysema and chronic bronchitis), and several cancers (particularly lung cancer, cancers of the larynx and mouth, bladder cancer, and pancreatic cancer).

Answer 2

Answer:

smoking is dangerous for health because it contain tobacco and alchol which damage our lung .they cause dieseaase like bronchitis ,lung cancer etc.