Pomegranate contains an enormous amount of antioxidants that puts the fruit in this list of brain-boosting foods. The antioxidants protect the body from free radical damage and subsequent DNA mutation. Scientifically, your brain is the most sensitive part of your body for free radical damage. Pomegranates are the best option if you love fruits. The fascinating fact is that the juice of pomegranate manages to retain the properties of the whole fruit. But you have to careful about the sugar that you add into it. A cup of pomegranate juice a day will protect you from Alzheimer’s and Dementia.