Why Water Should Not Be Boiled for too Long or Reboiled

People often forget that they have water boiling because something else distracted their attention. The water becomes cold again, so most people turn the kettle back on and reboil the water. Most of us know what happens to water when we boil it, but rarely do we know what happens when water is reboiled. The volatile compounds evaporate when we boil water and the gases are dissolved, and therefore boiled water is safe. However, when water is reboiled or boiled for too long the dangerous compounds are not disposed. They are being accumulated and later on consumed by us. The dangerous chemicals are fluoride, arsenic and nitrates. Even the healthy minerals like calcium salts can