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Don't follow Brian Johnson- the methodology of throw all the pasta at the wall only works if you can identify the strand that sticks.
Don't get a Whoop- capillary bed photoplethysmography is a poor method of measuring [multiple stacked confounders]. (hence why everyone reverts to chest HRMs, and there is huge debate about their models, overfitting, and the true utility of HRV outside of some pathological states.
I think 8sleep does a great job of targeted marketing, but nothing I've seen within it really makes me want to buy it (bar the 2 side heat differential). The reported noise of the unit puts paid to that for me.Zoe's has many issues, but I like the aims- much more focused on direct measurement. Methodology isn't up to scratch yet (considering the elements at play within the biological systems studied, cell turnover, etc).
There is a new wave of direct biosensors coming out, with things like:
https://www.nature.com/articles/s41551-023-01095-1
https://www.impli.org
Amongst others, on the horizon. We're going to start stripping inferential layers, and get richer data to build the models underlying. Thats when things start getting interesting.
We're not quite there yet, but soon.For the time being, whatever you currently use will probably suffice.
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Aldosterone
andyp
Anyone been following Brian Johnson’s blueprint?
It’s really got me considering a Whoop and at a more aggressive investment an Eightsleep
On Zoe I didn’t sign up, I just bought a Libra patch and then worked out what caused glucose spikes + did a full body MOT which worked out cheaper. I know the guys doing the marketing for Zoe and whilst they’re great it made me question the product a little