Bouncing blue laser light off the skin provides a non-invasive way to determine levels of vegetable intake (Photo: Yale University)
Have you had your daily serving of vegetables? This seemingly simple question is in fact very difficult to answer, for children and adults alike. Luckily, a new handheld laser scanner devised by researchers at Yale University and the University of Utah promises to put a swift end to veggie dodging, while also helping scientists to measure exactly how our diet affects our health.
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