Estrogen plays many important roles in health and fertility, but monitoring its levels in the body requires a patient to have their blood drawn.
A new wearable sweat sensor aims to change that, and can provide the user with real-time monitoring beamed to a smart phone.
The secret to making it work? Synthetic DNA.
It's my latest for work:
https://www.caltech.edu/about/news/wearable-patch-wirelessly-monitors-estrogen-in-sweat