Smoking can affect the developing baby by holding back its growth.
Smoking can also affect the level of certain medicines in your blood.
Smoking affects nearly every organ in the body, including the heart.
Smoking can affect the way your body removes certain drugs.
"There's no evidence in the medical literature that quitting smoking will affect your weight over a long period of time," he said.
Smoking can also affect a man's ability to get or maintain an erection in other ways that are not well understood.
Smoking, gender, and diet can affect the risk of developing bladder cancer.
And stamp out cigarettes - smoking can affect your bladder, too.
Smoking affects the part of your nervous system that controls your heart rate.
Smoking affects how the body uses medicine, and it increases the blood's clotting effects.