Which of the following is true about secondhand smoke?

Question

Quizplus · Accepted Answer

Children exposed to secondhand smoke have an increased risk of developing respiratory problems like asthma, bronchitis, and pneumonia.

Answer: D
 Secondhand smoke has less tar and nicotine than mainstream smoke because it has already been filtered through the smoker's lungs.

Therefore, the correct answers are C and D. Option A is not correct because the greatest effects of secondhand smoke are seen in children, not adults. Option B is not correct because exposure to secondhand smoke increases the risk of both lung cancer and heart disease.

Which of the Following Is True About Secondhand Smoke