Salt in a stack of bowls. Salt (sodium chloride) is an important part of the diet as it contains sodium,which is needed for muscle contraction,the transmission of nerve signals,a regular heartbeat and the maintenance of the body's water balance. However,too much sodium can cause problems such as hypertension (high blood pressure) and fluid retention | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Leplat, Veronique |
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