Cannabis is legal in many states but not federally. As more Americans consume weed products, concern is growing about the risks of traces of contaminants such as pesticides and heavy metals.
Millions of Americans use cannabis and would like to think the products they buy are safe. But regulation is state by state and full of holes. NPR’s new series digs into the risks and solutions.

Microdosing 101
Kate Schroeder LPC, LMHC, NCC Key points Microdosing should be