A new smartphone app can tell if you have anemia just by analyzing the color of your fingernail in a photo. Anemia, a common blood disorder brought on by reduced levels of the blood’s oxygen carrier, Haemoglobin, causes severe fatigue, heart problems, and complications in pregnancy. It already affects more than 2 billion people worldwide; global anemia prevalence is reportedly at 29 percent in pregnant women, 38 percent in non-pregnant women, and 43 percent in children. Anemia detection via your smartphone, anywhere, anytime https://t.co/AYyUgPCaHx @NatureComms by @WilburLam and colleagues @GeorgiaTech @EmoryUniversity pic.twitter.com/o3swUhuiJv — Eric Topol (@EricTopol) December 4, 2018 Diagnosing…

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