How
practical is this?
Through
capillary action this gadget creates a slight vacuum that pulls blood from
capillaries though tiny channels in the skin into a small tube. The device
collects 0.15 cubic centimeters of blood, which is enough to test for “cholesterol, infections, cancer cells, blood
sugar and other conditions”.
Well,
that quote was enough to put me off the whole idea. And bearing in mind how
unrepresentative capillary samples can be I must admit I am rather sceptical
about the whole thing.
But
time will tell. It always does…
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