If Inaccuracy Were Illegal, The Feds Would Have To Regulate Most Health Gadgets

... same goes for the rise in blood test companies, though our ability to test for the presence of nutrients, such as Vitamin D, is still developing. Perhaps 23andMe raised the ire of the FDA because of its aggressive defense of releasing BRCA ...

http://techcrunch.com/2013/11/25/if-inaccuracy-were-illegal-the-feds-would-have-to-regulate-most-health-gadgets/