'It takes just half an hour for one salty meal to significantly impair the arteries’ ability to pump blood around the body, alarming research shows.
Blood flow becomes temporarily more restricted for between 30 minutes and an hour after the food has been consumed.
Scientists tested how quickly salt had a damaging effect on the body by recruiting 16 healthy adults and feeding them each a high-salt meal, containing 4g, and later a low-salt meal, made with just 0.3g.
Before and after each meal, they tested how smoothly blood was flowing in the brachial artery – the main blood vessel in the upper arm which is normally used for checking blood pressure.'
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