a new patch lined with short needles, each the width of just a few strands of hair, may soon grant squeamish patients a reprieve as well as a relatively simple opportunity to take matters into their own hands. The innovation could eliminate the pain and fear of getting shots, researchers say, and it could also make future vaccines and medical treatments safer, more effective and easier to self-administer.
It can probably be used for various tests, which is a much more common medical procedure than vaccine shots. Simple cholesterol, sugar, and other tests could help people, among other things, maintain a better diet and exercise regime.
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