Definition of "normal" in medicine 
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 Definition of "normal" in medicine

What exactly is the definition of "normal" in medicine?  Is it the
same as "common"?  If a sufficiently large proportion of a population
have a disease would it be considered "normal"?  Would the disease
then no longer be a disease?

For example if 90% of the population were infected with h. pylori and
90% of those infected had ulcers, would h. pylori infections and
ulcers then be "normal"?  Would h. pylori infection and ulcers no
longer be considered diseases?

I have figured out why cats often run around like they are crazy.
It is because they are crazy.

Thu, 28 Sep 2000 03:00:00 GMT
 Definition of "normal" in medicine

   I would say that "normal" means not needing following, further tests,
or treatment. It is basically a medical definition. To call common
circumstances "Normal for the group" is a descriptive term. For
instance, it is common for older people to have a rise in systolic {*filter*}
pressure. It used to be thought that this "natural" occurrence was
"normal", However, now that we know that elevated systolic {*filter*}
pressure pre-disposes to strokes, it is called abnormal, and treated.
     (And remember the old joke, that a "normal" drinker is one who
consumes less {*filter*} than his doctor does.)

Fri, 29 Sep 2000 03:00:00 GMT
 [ 2 post ] 

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