Hungry? Pop a lemon sweetie.

A hit of sugar may help you resist temptation, say researchers from Australia. When people with depleted willpower swished a glucose solution, they did better on tests 
of self-control than folks who gargled artificial sweetener. The reason: glucose hits brain regions linked 
to motivation.

Study author Dr Martin Hagger, says 
sucking any hard sweets for a few seconds can help.