Why is there an increased sense of smell when a person stops smoking? Check all that apply. Nerve cells regrow in lungs and airw
ays. Chemicals in smoke alter taste and smell. Built-up tar on tongue and cheeks wears away. Breathing gets easier due to increased mucus production. Amount of oxygen in the blood increases to a normal level.
Obesity is a disorder involving excessive body fat that increases the risk of health problems. (Obesity often results from taking in more calories than are burned by exercise and normal daily activities.)
