If You Use Cannabis, It Could Take Twice As Much Anesthesia to Sedate You

While there's anecdotal evidence of cannabis users needing more sedation to go under, this study is seemingly the first to try quantifying how big of a problem it might be.

from gizmodo http://www.gizmodo.co.uk/2019/04/if-you-use-cannabis-it-could-take-twice-as-much-anesthesia-to-sedate-you/