Marijuana, weight gain and other misfortunes

Dear Dr. Mo: I’m worried that smoking marijuana might make me gain weight – is it true that this could happen?

Dear reader: Consuming marijuana classically produces symptoms of increased appetite (so called the munchies) and in principle, it could lead to weight gain in otherwise healthy individuals. This, in addition to its anti-nausea effect (anti-emetic) is the reason marijuana is sometimes prescribed to cancer patients to alleviate some of their symptoms (from both the illness and its therapy).

Get high and fat

Get high and fat

It also often causes a dry mouth, which is usually noted by users and I should say that the munchies really should be the least of your concerns when smoking marijuana.
Let me explain.

I’ve heard people claim otherwise but the fact is that intoxication with marijuana does significantly impair motor function and consequently seriously interferes with driving ability – being high or being drunk makes almost no difference.
It can also cause a heart to race (tachycardia) and induce serious discomfort and even a panic attack.

Heavy marijuana use over long time is strongly linked to Amotivational syndrome, which is characterized by apathy and boredom – if this sounds too esoteric, let me put it into a real clinical scenario: Continue reading