​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.

Environmental Tobacco Smoke

Also known as secondhand smoke, it refers to the mixture of smoke from the burning end of a cigarette and the smoke exhaled by smokers, which can pose health risks to non-smokers.

Passive Smoking

The exposure of nonsmokers to the smoke of spouses, parents, or coworkers; environmental tobacco smoke.

Lung Cancer

A type of cancer that begins in the lungs and is often associated with smoking, characterized by uncontrolled cell growth in lung tissue.