Racing takes a toll, from 120-degree cockpit heat to five pounds of sweat lost...

https://www.bookmarking-keys.win/after-years-in-the-garage-i-ve-seen-the-toll-of-120-f-cockpits-and-10-pound

Racing takes a toll, from 120-degree cockpit heat to five pounds of sweat lost per stint. Drivers are now prioritizing sleep hygiene and specific inflammation protocols to beat travel fatigue. We look at the practical shifts keeping the garage sharp today