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What happens to your body when you give up sugar?
The brain becomes tolerant to sugar – which means more is needed to attain the same 'high'. In ways that nicotine and heroin hijack the brain’s reward pathway and make users dependent, increasing neuro-chemical and behavioural evidence suggests sugar is addictive in the same way
In neuroscience, food is something we call a “natural reward.” In order for us to survive as a species, things like eating, having sex and nurturing others must be pleasurable to the brain so that these behaviours are reinforced and repeated.
http://www.independent.co.uk/life-st...-10081689.html
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