4 doctors weighed in:

Gramps used to smoke around us kids. He breathed a lot of second hand smoke and didn't know how to deal with it. Are we at risk now?

4 doctors weighed in
Dr. Joseph Woods
Pathology
3 doctors agree

In brief: It depends.

Lung cancer has a peak incidence between 55 and 65 years.
Cases under 40 are rare. The international agency for research on cancer, the U.S. Surgeon general, and many other agencies have classified secondhand smoke as a carcinogen, and many U.S. Studies showed an increased relative risk nonsmokers. It also causes worse asthma and death from heart disease, and more lung infections in children.

In brief: It depends.

Lung cancer has a peak incidence between 55 and 65 years.
Cases under 40 are rare. The international agency for research on cancer, the U.S. Surgeon general, and many other agencies have classified secondhand smoke as a carcinogen, and many U.S. Studies showed an increased relative risk nonsmokers. It also causes worse asthma and death from heart disease, and more lung infections in children.
Dr. Joseph Woods
Dr. Joseph Woods
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