Can you drink too much water? While rare, a problem called water intoxication can occur in endurance athletes, people working long hours in the heat, or even those dancing at all-night parties, often under the influence of illegal drugs.
Got rust? This oxidized iron occurs naturally in some drinking water sources and can also come from old, corroded pipes. While it may look and taste unpleasant, the reddish-brown liquid is not a threat to your health.