The benefits of marijuana in tempering or reversing the effects of Alzheimer's disease have been challenged in a newly released study by scientists at the University of British Columbia and Vancouver Coastal Health Research Institute. The findings, reported in the current issue of the journal Current Alzheimer Research, could lower expectations about the benefits of medical marijuana in combating various cognitive diseases and help redirect future research to more promising therapeutics........ (Source: Medicineworld.org: New Article Alert)