I think that is because of improved and advanced medical facilities availabe. It has helped to combat many diseases and improve the health of people
It depends on the type of drug you mean, such as medicinal drugs like marijuana, or bad drugs like cocaine or heroine. But the best answer(in my opinion) is B.
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Clean your hands.
Avoid close contact with people who are sick.
Stop the spread of germs:
Clean and disinfect surfaces or objects. (A disinfectant to kill the germs.)
(The best way to prevent the flu is to get a vaccine against the flu each season.<span>)</span></span>