Peptides are not a wellness trend. They are the molecules your body already uses to run itself - and medicine is finally learning how to speak that language.

NPR, January 4, 20267:00 AM ET By Andrea Muraskin Trying to keep up with the flood of wellness trends last year was bewildering . Influencers promoted seemingly endless products and experiences under the banner of "wellness." Some trends, like celery juicing, cold plunges and protein bars have been around for a few years now. But other trends that came across our radar in 2025 had more of an "old is new again" energy, like embracing full-fat dairy and cooking with beef tall