Many just roll up pot and light a match. But  a growing  number of people are going to dangerous lengths to get a greater buzz.  It involves extracting the active ingredient from marijuana and turning it into a wax-like substance. You then heat a small bit or “dab” of it and inhale the vapor.

In this edition of Vital Signs, Dr. Ashley Haynes of the North Texas Poison Center explained to why pot dabbing is a bad idea.