One of the main side effects of chemo and radiation is central nervous system (CNS) damage.
Here is the short and skinny of all the articles below, all you need to do is take a cold shower every morning. As much as it sucks during winter living here in New England, it made an astounding difference in the quality of my life.
A cold shower reboots your central nervous system every morning and increases your immune system.
I switch from hot to cold slowly, the colder, the better.