Question

question 1
what is the leading risk factor for preventable lung cancer deaths in the united states?
exposure to uv radiation
being overweight or obese
excessive alcohol use
smoking and secondhand smoke exposure

Explanation:

Smoking and secondhand smoke exposure are well - known major risk factors for lung cancer. UV radiation is more associated with skin cancer. Being overweight/obese and excessive alcohol use have links to other cancers (e.g., breast, liver) but are not the leading preventable risk factors for lung cancer deaths.

Answer:

Smoking and secondhand smoke exposure