When I started reading about MTHFR it was just over a decade ago. Back then I recall the Merck paper, saying about 10% of adults have this.That has changed over the years to now about 40%.
However the DNA test shows other things too. Janieg here found she had an error processing biotin (a B-vitamin). This is not common, but she also learned that babies born now get tested for this at birth. She is missing only one gene and so has avoided major symptoms until now. If people are missing both genes however, the symptoms are severe and present at birth. These babies have obvious weak muscles and other problems.
Charcot Marie Tooth (CMT), a genetic form of PN, is complex and has many variants too. It can present in childhood.
The biotin problem is treated with biotin in high dose daily. But as of yet the CMT does not have a treatment designated for it.
Not all genetic problems have been identified yet, but certainly we do have a handle on some of them.
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All truths are easy to understand once they are discovered; the point is to discover them.-- Galileo Galilei
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Weezie looking at petunias 8.25.2017
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