Cold showers.....last guy interviewed that turned 100 something said that was the advice he followed since WWI..or II or the something.... and it kept him healthy.....
"My wife's grandfather passed away yesterday. He was 86. WWII vet, drank, smoke, and ate like shit his whole life. "
Ahhh....but the crap from 30+ years was actually so much better for you.....it's the modern crap that in killing us quicker.