Not generally, as far as I know. But of course, you have to be way more careful and conscious if you have a condition. So maybe not use the hottest sauna and p

Not generally, as far as I know. But of course, you have to be way more careful and conscious if you have a condition. So maybe not use the hottest sauna and push your limits and maybe no more sauna competitions. (Who can stay the longest, there used to be a world championship in this, but not anymore after one of the finalists - died).