Because many designer drugs are new

A) people think they are not safe
B) the long term dangers of using the drugs are not yet understood
C) they are not popular with teenagers

Respuesta :

Answer:

B) the long term dangers of using the drugs are not yet understood.

Explanation:

Because these drugs have just started being created, scientists can not know for certain what these effects these drugs will have on the body 30, 20, or even 10 years after consumption.