A diet rich in medium-chain fatty acids , respectively found in coconut and traditional butter, but also in fatty and creamy dairy products, is good for the brain, counteracting cellular aging and thus preventing senile dementia: this is what the  Center said. for the study of aging at the University of Copenhagen , publishing the results of his research in the well-known scientific journal Cell Metabolism. By feeding animals with these medium-chain fats (caproic, caprinic, lauric and caprylic acids), a retarding effect on the aging of brain cells was found.Thus, a diet rich in these fatty acids in the elderly and after menopause would delay the risks of senile dementia. But be careful: these fatty acids obviously make you fat . In fact, one of the advantages of a diet rich in fatty acids is also to prevent fatigue and pathological weight loss of elderly people with cognitive problems. Therefore, if it is good for the elderly to increase the diet with these fatty acids, it is good for everyone to alternate them in a varied diet but without exaggerating!