thewayne | Low doses of marijuana may improve memory and help fight Alzheimers?!

Pretty cool. Low doses were shown, in mice, to reduce levels of inflammation associated with Alzheimers. They are cautioning that you can't extrapolate it to human scale right now, further "...cautioned that any benefits wouldn't be experienced by people whose brains have already started to deteriorate, nor those whose brains are still forming. But for adults looking to prevent dementia, marijuana could play a role — albeit at very small doses, well below the level of psychoactivity.

"It will take the recreational use out of it," said Marchalant, who made a rough extrapolation from rat doses to a single human puff of pot."

http://blog.wired.com/wiredscience/2008/11/marijuana-could.html