By Sarah Zhang

Pricking your finger for a blood glucose test will never, ever be fun. Thankfully, scientists have been hard at work on a bloodless and needleless alternative: a …

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Source:: http://feeds.gawker.com/~r/gizmodo/full/~3/YTfJTr-L13s/a-rub-on-tattoo-for-diabetics-could-mean-the-end-of-fin-1679477242