namak ke fayde aur nuksan, uses and caution of salt, types of salt World threat

namak ke fayde aur nuksan, uses and caution of salt, types of salt, World threat
sea sal,samudri namak,bay salt
kala namak,
saindhav namak,pahadi namak,lahori namak,sendha namak
sodium cloride
health benefits and caution
uses in ayurveda and precaution of salt