Anonymous Says:
I was reading about it and apparently it says that squeezing for 2 minutes then releasing then doing it again 2 minutes and following that pattern helps the blood circulation and improves the blood pressure but it needs to be squeezed at 30% for the 2 minute duration. Thats what I read anyways, maybe you can buy a different gripper to check the pressure and do the same thing I'm not sure, but zona costs alot. The thing is, if I knew zona really helped blood pressure for sure, then that would be well worth the cost no matter what.
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