Why fasting bolsters brain power: Mark Mattson at TEDxJohnsHopkinsUniversity
https://www.youtube.com/watch?v=4UkZAwKoCP8
Low calorie diet for Type 2 diabetes research lecture
https://www.youtube.com/watch?v=QtwVnXtSJeQ
A time to fast
http://science.sciencemag.org/content/362/6416/770