Strains rich with THC, the chemical that produces marijuana’s “high,” cause driving impairment up to 4 hours after vaping, but strains that contain CBD (cannabidiol) and no THC do not, the study found.
Strains rich with THC, the chemical that produces marijuana’s “high,” cause driving impairment up to 4 hours after vaping, but strains that contain CBD (cannabidiol) and no THC do not, the study found.