How much salt is in a human body?

18th July 2011

Asked by:

Sodium chloride makes up just a few tenths of one per cent of the body’s mass, or around 100 grams of the typical adult weight. While excessive consumption of it has been linked to high blood pressure and stomach cancer, salt is a vital part of body chemistry, playing a key role in many functions, from the quality of blood to transmission of nerve signals.


Scratching your head over a burning scientific conundrum? Submit your question and we'll get our esteemed panel of experts to answer it for you.