In general, research on the health effects of environmental tobacco smoke (passive smoking) has found that passive smoking
A) may slightly increase people's risks for lung cancer.
B) neither increases nor decreases risk of lung cancer.
C) decreases people's risk for getting lung cancer.
D) doubles people's risk for getting lung cancer.
Question 2
Which of these is NOT a frequent result of cigarette smoking?
A) Poorer balance
B) Periodontal disease
C) Sharpened cognition
D) Neuromuscular impairment