this is very dangerous, as it can wash away vital nutrients in your body (especially your brain). I forget how I know this, but I do. Please don't do it.
you are right in this todd, but not from one gallon. Over drinking of water CAN dillute minerals in your blood, but this is a factor in drinking mulitple gallons of water... not just one.
well a gallon in a short period of time can still be very hazardous. It's a flush.