A health scare taught Steph Curry that tiny health details matter. Now he's serious about recovery — and the power of saunas.

Point guard Stephen Curry is a top shooter in the NBA who keeps his edge with Adam Pantozzi/NBAE via Getty Images Steph Curry loves to hit the infrared sauna to keep his brain and body at peak performance. The 38-year-old athlete said it's a key part of his longevity routine as he keeps playing at…