Which common product has the chemical name sodium chloride?

Marcy, yes salt is good.

Salt has been essential throughout history.

Tom, I grew up on a farm and it was important to keep a salt block in the field for the cows. The cows had a great need to lick that salt block.

Tom, Low sodium levels in the body can be deadly as well as high.

Tracey , yes, but high salt intake is a problem for some and not everyone. I eat salt without worrying about it. My blood sodium levels are always in the middle of the acceptable range. As I get older, 50 yo now, it might be a concern. Also, there is new research suggesting sodium/potassium (Na/K) ratio is more important than just salt level. As the common disclaimer "ask your doctor" is the best approach.

According to the Saying be the Salt of Others meaning be the source of understanding or it can be Joy coz. w/o Salt our life is boring