What would be a harmful side effect of a cold medicine?
a. you have chills throughout the night.
b. your nagging cough goes away.
c. your runny nose has dried up.
d. you break out in itchy hives.

Smoking damages the respiratory system by inhalation of a foreign substance, that is absorbed and residue is left behind on our lungs sponge like substance. the gas that is inhaled also increase your blood pressure and dilates your blood vessels. also the process of inhaling and exhaling the smoke it causes irritation to the throat and mouth. smoking can cause lung cancer and other respiratory and circulatory diseases. 

You would modify how often you work out in reps and sets and also modify calorie intake