"David Blaine broke his fast last night with a small handful of potato crisps, " said doctors at the London Independent Hospital.

BBC: Blaine is expected to make a full recovery

Dishes of nuts and potato crisps sit within easy reach of armchairs.

FORBES: Global Life

Yet in the rich world pretty nearly every packed lunch in a schoolchild's satchel contains a packet of potato crisps heavily dosed with both.

ECONOMIST: Eating