Perhaps you’ve heard that increasing your water intake is part of a healthy lifestyle – and that you should drink at least 8 glasses of a day. This “rule of thumb” is actually not based on scientific evidence. Although for many people it’s not harmful advice, you may not need to work so hard at getting enough water every day.
The amount of water that your body needs depends on three main variables (yes, needs can vary with different illnesses and conditions, but let’s talk about the average American):
1. Your body’s size
2. Your activity level
3. Your environment (weather and humidity conditions)
The larger you are, the more water you lose from sweat (be it from physical activity or hot weather conditions), the more water you need to replace. The amount you need can vary a lot – and in most cases there are two tricks you can use to stay properly hydrated: Read more »