Blood pH and a couple of more questions

HV, I know you have talked about it, but I am really confused. I have heard different people talk about blood pH range from 6.3 to 7.38! What is really true? All these people I am referring to, are supposedly very knowledgeable and reputed to be good healers!

Another question. How long does red meat remain in the stomach? What about carbohydrates? Some medical authorities say that red meat remains in the stomach for 8 hours! Isn't that a very long time? People eat after 4 to 5 hours. And that says that stomach remains very acidic all the time! Sounds like that would be a great strain for the lining of the stomach. Also, how long does it take for the total digestion?

I have been trying to learn about Conventional medicine's theories about causes of diseases.Reading books and Internet references have left me confused. All I see are circular arguments with no understanding re. causes for most of the illnesses. Can you shed some light on this question.

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