Concept:Diseases can be linked to high-risk behaviours such as smoking, sexual contact, dirty surroundings, or bad eating habits.
Explanation:Smoking mainly causes lung cancer, not liver cirrhosis or AIDS.
Multiple sexual partners can spread syphilis and AIDS, but not liver cirrhosis.
Living near a dirty gutter does not cause lung cancer, syphilis, or river blindness.
Eating uncooked or contaminated meat can cause dysentery, cholera, and food poisoning.
Thus, only the behaviour in option D is correctly matched with its diseases.
Answer:D. Eating uncooked meat / dysentery, cholera, food poisoning.