Question

emphysema, gum disease, skin discoloration, and leukemia are all possible effects of which drug?
o marijuana
o alcohol
o antibiotics
o tobacco

Explanation:

Emphysema, gum disease, skin discoloration, and leukemia are well - known severe health effects associated with tobacco use. Tobacco contains harmful chemicals that can damage the lungs (leading to emphysema), oral health (gum disease), skin (discoloration), and blood cells (leukemia). Marijuana, alcohol, and antibiotics do not typically cause this exact combination of effects.

Answer:

D. Tobacco