Of marijuana, that is. It may even retard Alzheimer’s. A daily puff of a compound like marijuana, the plant blamed for ruining potheads’ recall, might help maintain memory in old age, researchers who tried it on rats reported today at a neuroscience meeting. Elderly rats remembered their way around a swimming pool and could find hidden resting spots after Yannick Marchalant and his colleagues at Ohio State University gave them a compound that mimics the effect of marijuana on the brain’s cannabis receptors. The marijuana-like drug, known as WIN-55212-2, spurred new brain cell growth and reduced inflammation, the researchers said. … Continue reading Puff-a-Day Helps Older Rats Remember