Which risk of marijuana use has been supported by empirical evidence

A)  impairments in attention and memory 
B)  long-term sterility or impotence 
C)  increase in the rate of infections 
D)  substantial loss of volume in the frontal lobes

Marijuana Use

The act of consuming marijuana, which can have various effects on cognitive and physical abilities and health.

Empirical Evidence

Information obtained through observation or experimentation that is used as a basis for knowledge or validation of scientific findings.

Attention

Attention is the cognitive process of selectively concentrating on one aspect of the environment while ignoring other things.