Dr. Crystal Collier

How Does Marijuana Affect Our Brains?

by Crystal Collier, PhD, LPC-S author of The NeuroWhereAbouts Guide and creator of BrainAbouts There is a prevailing opinion in...

What To Do If My Child is Using Marijuana?

by Crystal Collier, PhD, LPC-S author of The NeuroWhereAbouts Guide Knowledge is the Key In the era of non-regulated, legal...