Saunas help muscle growth in a number ways (which is fortunate because I love them).
Firstly, they relax the muscles because the heat increases your blood flow and distribution of oxygen, which helps your recovery.
You also sweat buckets. And sweating is good: it helps get rid of the toxins in your body.
But here’s the biggie: studies show growth hormone levels increase with regular saunas.
So on your recovery days when you’re aching and feeling a cold coming on – run for the sauna.