Could 3D-printed organs revolutionise the future of health care

YOU can hardly move these days for people using 3D printers to make stuff.
From guns to laptops to houses, pretty much anything you imagine has been manufactured using one of the clever machines that squirts magic stuff (well, it seems pretty magic) out of tiny holes until a functioning product appears.
And ever since there have been 3D printers, there have been people trying to print body-parts; last week, scientists from the Feinstein Institute in New York announced they had succeeded in printing cartilage which can be used to repair damaged windpipes, while Dutch experts recently printed replacement ankle ligaments.
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