Influencers are hopping on a surprising wearable trend that requires a needle — do you need one?

Influencers have found their latest wellness obsession — and, once again, diabetics got there first. First, came GLP-1 drugs.
Nature

Sensors and biosensors articles from across Nature Portfolio

The semiconducting behaviour in hydrogels enables advanced electronic applications for biosystems. This Review provides key principles of the design, fabrication, characterizations and benchmarking ...