Weed Impairs Driving Skills Long After High Is Gone, Study Finds

(CNN) — Running red lights. Driving at high speeds. Crossing center lines into the opposite lanes. Getting into accidents — even hitting pedestrians. A new study found these were some of the dangerous driving behaviors of regular, heavy users of recreational weed who began using before the age of 16.
Here’s the catch: users drove this badly even when they were no longer high.
The study, published Tuesday in the journal Drug and Alcohol Dependence, asked chronic, heavy marijuana