Semaglutide medications — including Ozempic and Wegovy — have spiked in popularity, with 6% of U.S. adults having tried the injectable weight-loss drugs and 3% currently using them, according to a ...

Needle-free vaccines make immunizations easier. Tiny dissolvable microneedle patches, applied like stickers, deliver vaccines painlessly through the skin. The patch feels rough, like a cat’s tongue or ...