A public service announcement claims, “Cigarettes cause lung damage.” Which of the following pieces of evidence is most relevant to this claim?

Question

A
Cigarettes contain added chemicals

B
Some people cough when they inhale secondhand smoke

C
Cigarette smoke smells bad

D
Lung cancer is more common in patients who smoke

Answer 1

The piece of evidence that is most relevant to the claim “Cigarettes cause lung damage” is:

D - Lung cancer is more common in patients who smoke.

This evidence directly relates to the claim by linking smoking to a specific health outcome (lung cancer), which indicates lung damage.