Great article and I agree with all your points.
I'd like to recommend adding conscious breathing techniques to your list as it's, in my opinion, the #1 Biohacking habit.
I've been doing the Wim Hof Method breathing techniques over the last few months and it's an absolute game changer.
More energy, less stress and it can even augment your immune response! Add that with cold showers or even better, cold baths, and wow, undescribable.
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