Racing in 120-degree heat and losing 5 pounds of fluid takes a heavy toll....

https://speedwaydigest.com/index.php/news/regional-racing-news/887335-how-recovery-is-redefining-performance-in-motorsports/

Racing in 120-degree heat and losing 5 pounds of fluid takes a heavy toll. Recovery is finally evolving. We look at new ways drivers manage sleep and travel fatigue, from tinctures with 15-minute onset to data-driven inflammation control.