I believe the answer is street drugs and over-the -counter medications.
Streets drugs is dangerous in general because the majority of them are created without proper research and acknowledgement from trusted establishments.
Even though most of the over-the-counter drugs are approved by FDA, they tend to cause problem because many of its users use the drugs to treat the wrong sickness or purposely use it as a form of recreational drugs.
Answer:
2) medical exams can help people live longer lives
Explanation:
medical exams usually cost money, they're not always mandatory, and people can still become ill, so 2 is the only one that makes sense (and it does!)
