A soft, wearable patch measures the chemical contents of sweat on the skin. It could be used to screen for cystic fibrosis, and give athletes real-time performance data.CreditCreditJ. Rogers, Northwestern University
The article first appeared on The New York Times.
Someday soon, perhaps within a year, you’ll be able to slap a soft, stretchy patch on to your arm that tells you if you’re dehydrated. Or that your electrolytes are dangerously out of balance. Or even that you have diabetes.
Fitness trackers such as Fitbit and Apple Watch already track step counts, heart rate and sleep rhythms. But they tend to be rigid and bulky, and mostly gather mechanical metrics, rather than assess a person’sunderlying biology.