Weigh yourself before and after exercise. Lost weight = lost fluids. Drink a little more next time, since being even slightly dehydrated can have a big impact on your workout!
When at a restaurant, look carefully at the menu to see how food is prepared. Words such as fried, crispy, creamed and au gratin suggest high-fat content. Better choices are steamed, broiled, stir-fried and poached.
Why is sodium a big deal? Sodium, which is an electrolyte, is important because it helps with fluid balance. It is lost from the body mostly through sweat, and you need to replace it to help the fluid that you drink stay in your blood.