The correct question is:
What is fat?
What is water?
What is salt?
If you're an athlete, drink plenty of
before, during and after an event. Everyone should try to drink eight glasses of water each day.
You should limit
before an athletic event and not eat it at all during an event. Fat remains in your stomach for a long time. After an event, you can eat fat at your next meal.
You don't need to eat more
before, during or after an athletic event. Your regular meals and snacks give you plenty of salt.