These Foods Could Help , to Prevent Cognitive Decline.br Experts say that there is solid evidence to support the notion that certain foods benefit and even boost brain performance.br This is great news for those who may have a family history of cognitive decline accompanied by aging.br Those who suffer from hypertension, heart disease, diabetes and obesity are more likely to develop conditions related to dementia.br A 2017 study found that following the Mediterranean diet significantly reduced the risk of cognitive decline. .br Pretty much anything that will help keep arteries healthy will reduce risk of dementia, Dr. Walter Willett, Harvard T.H. Chan School of Public Health, via 'The New York Times'.br What’s good for the heart is good for the brain, Dr. Walter Willett, Harvard T.H. Chan School of Public Health, via 'The New York Times'.br These five foods are components of the Mediterranean diet and could help prevent br the onset of cognitive issues.br 1, Leafy greens.br These foods are rich in nutrients and fiber and can make a huge difference in sustaining your brain as you age.br 2, Multi-colored fruits br and vegetables.br I don’t think there are miracle foods, but, of course, it’s really good to eat the fruits and vegetables, Dr. Allison Reiss, Alzheimer’s Foundation of America, via 'The New York Times'.br 3, Fish.br Many types of fish contain omega-3 fatty acids, br which are great for long-term brain health.br 4, Nuts, whole grains br and legumes.br A 2021 review of nearly two dozen studies br found that walnuts are especially helpful in br lowering the risk of cognitive decline.br 5, Olive oil.