In the course of the years, many people have become sick and even died as a result of drinking water made impure through stagnation, human or industrial waste, acid rain, nuclear fallout, etc. We can also think of simple shortage of drinking water. The ascended Christ has sent his angel innumerable times to unsettle human life through taking away good drinking water.
11 The name of the star is Wormwood. A third of the waters became wormwood, and many people died from the water, because it had been made bitter.