ELI5: Explain Like I'm 5

History of salt

Salt is a naturally-occurring mineral found on land and in the ocean. For thousands of years, people have been collecting and using salt in their cooking because it makes food taste better. Salt was also used for preserving food and keeping it from spoiling. In some places, it was even used as currency! In ancient times, people would travel long distances to trade salt for food and other goods. Salt has been an important part of human history for many centuries!