St. Louis (KSDK) - During heat waves you always hear to drink plenty of fluids to keep yourself healthy.

You may think sports drinks are your best bet, but are they?

Kitty Newsham, an assistant professor of athletic training at Saint Louis University tells us what kinds of fluids to drink, and whether we really need electrolytes found in sports drinks.

Click the video player above to hear what she had to say.

KSDK