This short video by Mark Mattson, talks about the implications of fasting on the brain. There are many benefits to intermittent fasting but one of the most interesting benefits could potentially be the prevention of Alzheimers and Parkinsons disease.
Many ancient sources have recommended fasting as a means to be healthier, live longer and obtain spiritual enlightenment. From philosophers, to ancient sages, fasting is as old as life itself. Ancient yoga masters fasted, other spiritual beings fasted like Jesus and the Buddha.
I think it is good that modern science is starting to study this dietary practice and the health benefits it brings to individuals. I know from my own experiences with fasting, I often feel more aligned, alert, sleep better and have much better concentration. You will also save money and lose weight.