At this year’s FIFA World Cup, athletes will be required to take hydration breaks during every game. It's a smart move for anyone spending time outside this summer. Dr. Sanjay Gupta explains dehydration warning signs and when to consider an electrolyte drink.

This episode was produced by Andrea Kane and Madeleine Thompson.

Medical Writer: Andrea Kane
Senior Producer: Dan Bloom
Technical Director: Dan Dzula

Learn more about your ad choices. Visit podcastchoices.com/adchoices