Cold showers.
They work wonders. Tons of benefits aside from increased testosterone too. I can't post links yet, but just google "Cold shower benefits".
I'm pretty sure Tim Ferriss talks about them in 4HB too.
They work wonders. Tons of benefits aside from increased testosterone too. I can't post links yet, but just google "Cold shower benefits".
I'm pretty sure Tim Ferriss talks about them in 4HB too.