Drugs hijack the reward system of the brain in a way that floods the synapses with a super intense signal. In response, the post-synaptic neurons will decrease the number of receptors for that signal. This creates a situation where more signal is needed to create the same high (i.e. tolerance) and a normal amount of signal leads to nasty effects (i.e. withdrawal).
So ‘what does this have to do with my weight?’ you might ask. Continue reading “On Crack and Ice Cream, Part 2”