Optical Sensor for Blood Pressure [video]

Optical Sensor for Blood Pressure [video]

One of the holy grails of wearable health tech is an optical sensor that can measure blood pressure accurately. Many companies are working toward such a solution, but for now, the most reliable results still come from devices that use a pressure cuff to restrict blood...
Sun-Powered Wearable

Sun-Powered Wearable

One of the challenges for wearable devices is getting power to them. You can include a battery, but this will need to be recharged or replaced when it runs down. Researchers have explored harvesting energy from sources including body heat, motion, and ambient radio...
FDA Approves 90-Day Glucose Sensor [video]

FDA Approves 90-Day Glucose Sensor [video]

Diabetes is a disease that prevents the body from regulating blood sugar. Many diabetics must take blood samples to check their glucose levels, and adjust their insulin doses accordingly. Finger sticks for blood testing can be inconvenient at best, as well as painful...