didn't quite understand the concept until it was explained to me
Pinch the skin on the back of your hand How long does it take to return? In a young person the skin flicks back but in an older person the skin returns slowly Well this what happens to your arteries as you get older. They stiffen up and narrow and as result you are more vulnerable to blockages that lead to strokes and heart attacks.
It is often said that a high salt intake leads to hardening of the arteries well it makes sense Salt probably dries out the artery in some way