Question

what is the gist of the part of the passage in the box? antibiotics? many diseases, but if antibiotics are not? they can make illnesses?

Explanation:

The text states that antibiotics can treat many diseases, but improper use (not used correctly) can worsen illnesses. The main idea is about the dual - nature of antibiotics: they are effective for treatment but can have negative consequences if misused.

Answer:

Antibiotics can cure many diseases, but if not used properly, they can make illnesses worse.