Smoking is bad for you because it will be slowly killing you. When you inhale cigarette smoke your making your body sick in all different ways such as;

It can cut your life time expectancy to around 7-20 years

Cancer in the lungs, throat, mouth and bladder

Toxins can travel down to your leg and you will need your legs to be amputated.

Blindness

Rises your blood level

Loss of body parts

Heart attacks

Tooth decay

Lack of oxygen makes your blood vessels to the brain narrow and then may cause strokes.

COPD is Chronic Obstructive Pulmonary Disease

Lose smell

Cardiovascular Diseases

Respiratory Diseases