Nonsmokers who are exposed to secondhand smoke at home or at work increase their risk of developing heart disease by about 25 to 30%.
Question
What percentage do nonsmokers who are exposed to secondhand smoke at home or at work increase their risk of developing heart disease?
Responses
10 to 15
10 to 15
20 to 25
20 to 25
25 to 30
25 to 30
45 to 50
1 answer