Earlier quoted context omitted.
Cannabis as a treatment for Alzheimer's would be rather ironic, given its current reputation.
Actually the cool thing about it is that not only does it prevent neuroinflammation, but it also promotes neurogenesis. There was a recent study that tracked IQs before and after using cannabis, and what they found was that those who took up smoking cannabis actually gained almost six IQ points. (For less than 3.5 grams per week.) http://en.wikipedia.org/wiki/Long-term_effects_of_cannabis#M...
I can't help but feel like it's got as much to do with the fact of smoking every day as with the raw amount... I guess there aren't that many people out there who'll smoke an eighth in a day and then take a week off, though, so maybe it'd be hard to pin down.