We all know that fish and chips wouldn't be the same without salt. However, scientists have now claimed that the yearning for salt stimulates the brain like addiction to hard drugs or cigarettes. They found that the craving triggers the same genes, brain cells and brain connections. The finding could help explain why many find it so hard to cut back on salt, despite warnings about dangers to blood pressure and heart health. For the study, Australian and American scientists kept some mice on low-salt diets and gave others a salt drip. Activity in the creatures' brains was then compared with that in mice fed normally. They also studied the brains of mice that had been starved of salt for three days and then given salty water to drink freely.
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