Question

question 8 (1 point)
why is marijuana known as a \starter\ or \gateway\ drug?
because it causes overeating which can lead to other problems such as obesity
because more than half of illicit drug users begin by experimenting with marijuana
because people who sell it are more likely to use it than any other illicit drug
because it is commonly used before the age of 12
because marijuana use doubles after college graduation

Explanation:

The "gateway drug" concept refers to the observation that many people who use harder illicit drugs first experiment with marijuana. This statistical correlation leads to its label as a starter drug.

Answer:

Because more than half of illicit drug users begin by experimenting with marijuana