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RomeoStevens comments on Lifestyle interventions to increase longevity - Less Wrong
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This is good stuff!
One addition I would make to your "sleep" section: between 5% and 10% of Americans have moderate or severe sleep apnea, mostly undiagnosed. Untreated sleep apnea more than doubles mortality through a combination of cardiac problems, stroke, and maybe a cancer-promoting effect as well. There are well-known effective treatments for sleep apnea and it is kind of dumb not to get them.
The main symptoms of sleep apnea are excessive snoring, and feeling very tired during the day even if you slept a normal amount the night before. It is most common in obese and older people but sometimes happens in normal-weight and younger people as well. If you think you might have this condition, probably your highest-priority longevity intervention (after quitting smoking, if you do that) is to go to your doctor and get it checked out.
Thanks! I believe it was you who pointed out that longevity is only 20-30% genetics that sent me down this rabbit hole to begin with.
If I remember correctly, Yvain argued for a salt intake lower than 1500mg / day, whereas on your meal squares page, you made an argument for having 3000mg / day. Wy do you think you disagree on that one?
Differing takes on which evidence is more valid. Many studies say reducing salt is healthy. A few studies say it is unhealthy, and point to the fact that all the other studies actually say "salt reduces blood pressure" and that it turns out that in this particular case the reduction was not correlated to overall mortality. It would seem that reducing salt has detrimental effects that outweigh the blood pressure effect.
Should people with hereditary low blood pressure ignore most of this advice / do the opposite?
For example it seems processed meats --> increased salt intake --> increased blood pressure --> increased mortality, which doesn't apply to people with low blood pressure.
The causal pathway is not necessarily (in fact almost certainly not) exclusively via blood pressure, so I wouldn't do this.
What proportion of it is through blood pressure and could you elaborate on what the rest of the causal pathway is? Trying to decide whether it's worth cutting down on processed meats even though it may result in less protein intake overall (because I can't be bothered cooking / preparing non-processed meats).
I wouldn't venture a quantification. Whey protein and eggs?