How we can prevent from getting alzeimer ?

Nothing yet: There is no proven way of preventing it. Until we do not discover the cause we won't be ale to prevent it or cure it. Mental exercises may help to develope new synapsis among brain cells and induce the formation of new glial cells ( that sustain the brain mass) but brilliant smart people may get the disease (ie. Ronald reagan) nsaids as Celebrex (celecoxib) is on trials. The adjacent circle mentions some

Partially: The most important is controlling you blood pressure and cholesterol level. It is also important to have physical exercise and keep mentally fit. Some studies indicate that drinking in moderation, eating fish and dark chocolate might decrease the risk.