Blogging with Dr. Stacy Sims

Race day temperatures are rising. Here’s what active women need to know.

As I write this, race season is underway in the Northern Hemisphere and temperatures are climbing as much as 20 degrees above average across a large swath of the U.S. As sweltering weather becomes the norm, it’s...

Women heat up sooner, sweat less, and have hormonal fluctuations that impact how we keep our cool when we crank up our efforts. 

I have been studying hydration my entire adult life (the basis of my PhD was sex differences in hydration in the heat!), both as an athlete myself in endurance...