Scary stat--75% of samples from air and rainfall taken in delta contaminated with glyphosate and its metabolite AMPA. These levels were not measured in 1995 so % increase is unable to be determined. We do know that roundup use has increased dramatically over that time frame.
neuroprotective effects of l-theanine and catechins in green tea through AMPA and kainate receptors. Also effects through decrease in glutamine transport through BBB.