The Needle-Free Future of Medicine

If you’re afraid of needles, here’s some good news: you may not always be stuck with getting shots. At present, injections are the best way to deliver certain kinds of drugs. For example, vaccines and drugs like insulin are made of large molecules that you can’t take orally because they would break down in your digestive tract. Some antibiotic and antiviral medications are also given as injections for this reason. But needles suck. About 10 percent of patients who need regular...

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