In our advanced modern society, most horrifying diseases that regularly wiped out our predecessors are not dwelled upon much in our thoughts as we focus on applying hand sanitizer every time we touch a grocery cart and flush our waste away in the miracle of engineering that is the toilet.

But these diseases we still dwell upon quite often in underdeveloped parts of the world, which is what our society will quickly turn to should SHTF in the worst way.

The Flint water crisis reminds us that even in our society, the threat of not having even the most basic of resources can become a public health crisis; a slippery slope for a society already strained.

Should things go south, and eventually they will because all societies throughout history have eventually collapsed, what will happen? What horrifying diseases will make a comeback? Read on to find out more.

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