Will Smokers have a greater/ lesser capacity than non-smokers?

Smoking is the act of inhaling the fumes from a burning substance, usually tobacco. Though cigarette smoking is the prime, it is not the only culprit, pipe and cigar smoking, while less hazardous than cigarette smoking aren’t without risk. The average 20-a-day smoker is estimated to inhale tobacco smoke about 70,000 times a year. It’s therefore not surprising that with such abuse, a number of diseases, many of them fatal are associated with smoking.