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A gene which is said to help the immune system control inflammation in the brain  has been linked to alzheimer's disease.

According to a recent study the problem version of the gene triples the chances of one developing the disease.

Medical experts are excited about the discovery, because it paves the way for more research and new treatment. They believe that treatment to correct the gene's malfunction may help in the treatment of the alzheimer's.

The gene is called TREM2, and is present in only 1% of the population.

Until recently medical experts believed that only one gene raises the risk for alzheimer's disease. Whereas 17 % of the population has that gene, more than 1/2 of alzheimer's patients do.

The recent study has identified the TREM2 as a another.