Teenagers who toke perform less well on memory and attention tasks while under the influence. But low doses of the active ingredient in cannabis, THC, might have the opposite effect on the elderly, reversing brain ageing and restoring learning and memory – at least according to studies of mice.
“We repeated these experiments many times,” says team leader Andreas Zimmer at the University of Bonn, Germany. “It’s a very robust and profound effect.”
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Michael Le Page ~ NewScientist.com ~