Spanish: habitational name from places in Burgos or Lugo (Galicia) named Rojas, from a derivative of rojo âredâ. Source: Dictionary of American Family Names Â©2013, Oxford University Press.
You should drink two cups of water about two hours before you exercise. Dear Lifehacker, I've heard you need eight glasses of water every day, but I've also heard that it might be more or less. Some say too much water is bad, and many more say too little is bad.
Read on to calculate how much water you should be drinking each day based on your own unique needs. Are You Drinking Enough Water for Your Body Weight? According to the Mayo Clinic, men should generally drink about 13 cups of water a day, while women should aim for nine. But if you want to determine the exact amount you should be drinking by your body weight, it's easy to do.