Smoking is very dangerous for your health & Disadvantages of Smoking are

1.  Tobacco smoke contains nicotine which perform addiction. nicotine contain thousand of Chemicals.

2.  Reduce your efficiency of doing work.

3.  Resistance power against diseases will be reduced.

4. Work capacity of your brain will be reduced.

5. These things can happen

Lung Cancer,

Emphysema,

chronic obstructive pulmonary disease,

Chronic Bronchitis,

Heart Disease and Stroke,

Smoking can cause your teeth and fingernails to turn yellow

6. The chemical comes inside during smoke are

# tar

# carbon monoxide

# nitrogen oxides

# hydrogen cyanide

# metals, ammonia