Sticky devices inspired by octopuses' tentacles may mean an end to injections for millions.The patches have tiny rubber suction cups and are designed to be stuck on to the inside of the cheek, where they deliver insulin and other drugs for obesity and breast , for instance, that are normally given by injection.The shape and size of a bean, the patches could be a boon for people whose medication is not available in pill form, as well as those with a needle phobia.
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