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I am becoming convinced that sugar, although not exactly a drug to which we could apply the concepts of addiction and withdrawal (like tobacco, alcohol, or opioids), nevertheless creates habits that are really hard to break. Notice how we train animals with treats: sniffing drugs, attacking robbers, etc. It's a powerful behaviour modulator. Our brains are no different. In a pavlovian way, we reinforce behaviours that give us a sugary reward. But in our case, the feedback loops are really short. Instead of doing a difficult task, our behaviour to get the reward is simply going to the kitchen and opening a snack. Do you ever get the feeling, after a meal, that you feel like having "a little something", like a sweet? To me, that's like a learned pavlovian behaviour. And every time we cave, we reinforce that automatic response. It can be anxiety-inducing not to do the behaviour. The question in my mind is: how do we break this pattern? Because it's easy to do it once, but it's statistically hard to keep it up many times. You will slip up and reinforce the behaviour again. I am becoming increasingly convinced that we need to change the environment around us, that is, regulate the amount of added sugar in foods. |
So what do these three people have in common? I think it’s a lack of chronic stress. Buffett and Munger are living pretty relaxed lives and the pensioner I met was also surprisingly happy. He told me at a random point during the drive that he was very happy. He told me: "I just met a new girlfriend a few months ago. I’m 94. Amazing huh?" and said this with the most cinsere happiness I’ve seen.
Contrast this to books like Why Zebras Don’t Get Ulchers by Sapolski. The book goes into all the ways in which a body under chronic stress starts to break down. Simply put, if you stress a lot then the body is in survival mode and cancels recovery processes.
So that’s why I think that stress levels have more influence on health than food or exercise. As long as stress is reasonably short-lived, the body will just recover from most things. I’m happy to hear counterarguments to this theory of mine