The contrast shower protocol, created by Ray Cronise, a former NASA material scientist, is: 10 sec warm water, 20 sec cold water. Repeat 10 times. End on cold. Five minutes in total. Some benefits …
The contrast shower protocol, created by Ray Cronise, a former NASA material scientist, is: 10 sec warm water, 20 sec cold water. Repeat 10 times. End on cold. Five minutes in total. Some benefits …