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But people that need glasses keep them on


People with presbyopia [0] rarely do. This is a pretty common condition with older folks.

[0] https://en.wikipedia.org/wiki/Presbyopia


Pretty common is an understatement. Everyone I have met over 50 used reading glasses. It starts somewhere between 40 and 45, but the number of people without presbyopia over 50 must be minuscule.


I used reading glasses, for years. I don't need them anymore.

Sometime last year I started drinking kombucha, a pint most days. That is the only thing I can think of to credit the change to. My diastolic blood pressure also went down, from 90 to 70.


That is remarkable because, as I understand it, presbyopia is simply a consequence of the proteins in the eye hardening over time, and hence everyone is expected to get it around the same age. I struggle to see how kombucha would help them soften.

https://www.nei.nih.gov/learn-about-eye-health/eye-condition...

http://www.carolinaeyemd.com/eye-conditions-hendersonville/p...


Well, me too. Struggling to see is the problem we face.

I had no reason to believe anything could improve it, but I cannot argue with the fact that I do not need the reading glasses anymore. Similarly, I had never heard of anything that would lower diastolic blood pressure, which as I understand it rises as arteries become less elastic. But in both cases, the evidence is objectively unavoidable. (Unavoidable for me, anyway. Others may pretend I made it up.)

It is also easy and tasty to try out yourself. I make my own kombucha for <$.20 / pint. Anybody can do that, too.

If my objectively improved accommodation and blood pressure are the result of some other process, or processes, the kombucha is at worst harmless, and has, anyway, lots of B and C vitamins.




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