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It's Not A Starbucks, It's A Brain Health Club
New research suggests that caffeine aids memory and learning -- especially in the elderly.
The mechanism is this: older people's brains have high levels of a chemical called adenosine, which has the unfortunate effect of suppressing neural activity and dampening gamma rhythms. Gamma rhythms promote the synchronized firing of nerve cells, which is critical to memory and learning. Low gamma rhythms means poor brain performance. Coffee can reverse this effect by blocking the adenosine.
The leader of the University of Birmingham (England) team that did the work cautioned that they didn't look at other effects of caffeine, such as sleeplessness or heart stress, to assess overall health impact.
Is it time for visits to the coffee store to be eligible for health insurance reimbursement?
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