[Mister Da]

One can sleep off a night of heavy drinking and work through the next-day fog.

I'll pass on the surgeon working with a hangover. Likewise a commercial pilot or any employee who comes to work in a looking/acting in a fog of any kind.

I can tell you definitively that the deleterious effects of marijuana on cognitive functionality lasts for several days.

Nonsense.

[bigtoona]

http://forum.grasscity.com/recreational-marijuana-use/43670-lingering-effects.html

[Responsibility2nd]

I can tell you definitively that the deleterious effects of marijuana on cognitive functionality lasts for several days.

Nonsense.

 

 

Nonsense indeed! It can last for several weeks.