Helpful and Non-Helpful Bacteria

 Some bacteria are not harmful at all. Bacteria help a human digest food and make the body go better. They also get rid of toxins and eliminate some bad bacteria as well.

 Most bacteria is usually bad such as the ones that make you sick and mess up your system which will give u diarea. Some germs cause such diseases like cholera, anthrax, syphilis and many others. Cholera killed millions of people in Europe in the Middle Ages before a cure was invented.

 http://www.nutralegacy.com/blog/general-healthcare/beneficial-bacteria-for-your-body/