Ageing: the last paper of Mark Mattson

http://www.nature.com/nrn/journal/v13/n3/full/nrn3151.html

http://www.dailymail.co.uk/health/article-2107299/Can-fasting-days-week-stop-dementia-It-sounds-far-fetched-scientists-think-slashing-calories-combat-host-illnesses.html