As humans we have been living with bacteria and parasites since the beginning of time. Parasites are organisms that live off of other organisms. Bacteria are tiny living organisms (microorganisms) and can be found in almost every environment that has not been sterilized. In ancient times, people believed that salt could kill parasites and parasites. This is still true, however there are specific kinds of salt that do so, and to be effective, specific ways that the salt must be used and applied