Biological factors for our purposes include genetics and factors that effect our physiology and biochemistry. For organizing purposes I may distinguish between biological and psychological dimensions but it is important to remember these are not distinct because 4B1. The mind and body are one.
Neuroscientist Andrew Huberman’s “Big 6” are a useful framework for this:
We should also consider the role of genetics which contributes to happiness.
3A. Happiness is partially determined by genetics (perhaps 30-40%).
3B. A simple, highly credible set of guidelines for nutrition is the “Pegan” diet from Mark Hyman.