drink can vary.
“I could (sweat a lot) compared to you, so my fluid needs are going to be different,” said Susan Yeargin, a professor of exercise science at the University of South Carolina who has done research in thermoregulation and hydration.
“I encourage people to check their urine color, which should be light yellow. If you exercise outside and your pee is dark yellow, like apple juice, you definitely need to rehydrate.”
It’s best to wear light, loose clothing and exercise when temperatures are lower and the sun’s rays aren’t as intense, she said.
“If it’s hot or humid, avoid exercising between 10 a.m. and 5 p.m., no matter what part of the country
