Medical research

A new role for sodium in the brain

Researchers at McGill University have found that sodium – the main chemical component in table salt – is a unique "on/off" switch for a major neurotransmitter receptor in the brain. This receptor, known as the kainate ...

Diseases, Conditions, Syndromes

Video: Can extra salt hurt your kidneys?

Sodium is a mineral that your body needs to function well. When you combine sodium with the mineral, chloride, the two make table salt.

Health

Hold the salt to help your heart

The Food and Drug Administration outlined new, voluntary guidelines to lower sodium levels in food. But those with high blood pressure or who are at risk for heart disease may want to consider simply saying no to sodium.

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