What is pH?
The science based answer is that pH is the potentia hydrogenii. It is a scale that measures the acidity (or alkalinity) of an item.
The scale is from 0 to 14.
7 is neutral, less than 7 is acidic and higher than 7 is alkaline (or base).
The pH scale is a base-10 logarithmic scale (or exponential). That means that a liquid at a pH of 6.0 is TEN TIMES MORE ACIDIC than a liquid at a pH of 7.0.
The human body is slightly alkaline. The optimal blood pH for the human body is 7.4.
That is for our blood. Each part of the body will have more alkaline or acidic pH, depending on need. For example, our stomach needs a very acidic environment for digestion – in part to control viruses and bacteria. Our skin's ideal pH level is 4.7.
You can get a reasonaly accurate measurement of the pH level of your body by using inexpensive pH test strips from your local health food store. Those will measure either saliva or urine.
Measuring saliva pH is not as reliable or accurate as measuring urine pH. Saliva reacts quicker to the contents of the mouth (including bacteria) while urine is the output of the kidneys which is a reflection of a longer process than saliva formation.
A "normal" reading of saliva or urine would be a range between 7.2 and 7.6 ...
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