Half of all regular smokers eventually die of such smoking-related diseases
 as cancer, cardiovascular disease, and respiratory disorders. The health of
 all smokers is adversely affected and those nonsmokers exposed to
 cigarette smoke may also have their health put at risk.
 Which of the following is a short-term health effect of smoking?
 O stroke
 O stained teeth
 O lung cancer
 O excess facial wrinkles
 O appetite suppression