Xerostomia means there is an abnormal lack of saliva. You will have extreme dryness of the mouth. Drink plenty of water to avoid this type of problem. Clean water is becoming a priority for many countries because of river, lakes and ocean pollutions. The weather appears to be unstable or changing pattern in many regions causing water shortages as well.
This in turn causes droughts. Because fresh rainwater is difficult to obtain or costly in some countries, people turn to drinking alternative, shop bought fluids. This can lead to unhealthy kidneys because your kidneys need water to flush them and to keep your body functioning properly.
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