A good starting point would be to follow the Mediterranean diet food choices. There's plenty of evidence that it increases longevity. <a href="https://edition.cnn.com/2020/02/17/health/mediterranean-diet-microbiome-wellness/index.html" rel="nofollow">https://edition.cnn.com/2020/02/17/health/mediterranean-diet...</a>
Not doing this now, but in the past I've not used any caffeinated products, unless I know I will need it for an upcoming activity.<p>This allows me to gain the full benefit and avoid building a tolerance.
What does “peak performance” mean? Doesn’t that depend on what you perform?<p>I always perform at the “peak” I am capable of at the time. I don’t attempt to “control” my physiology, not sure what that even means.
Sleep: having a fixed bedtime that enables me to wake up without an alarm.<p>Diet: Avoiding bread and dairy, as well as sugary stuff like soft drinks.<p>Exercize: Gym 3 or 4 times/week, plus climbing once or twice a week.