For our long-awaited Marijuana Episode, we hear from Kyle Boyar, reasearcher at SC Laboratories, a quality assurance and safety testing facility for medical marijuana. Kyle takes us through some lesser-known facts about marijuana, its use as treatment for a variety of ailments, and its effect on memory and mood.

We'll also find out how becoming a mother can actually permanently change a woman's brain, and get some insight into the psychological and physiological effects of... iPhone separation?