https://www.youtube.com/watch?v=K05Db4WGxXg
The title said “stopping.”
I have doubts is “stops” cancer once it is underway.
Being generally healthy due to exercise might play a role in preventing the start of cancer.
Color me skeptical. My brother rode 100 mile bike events, and ran 1/2 marathons.
But around 9 years, his body said cancer is taking over.