Ultrasonic attack is unlikely, but incidental exposure presents plenty of problems: While ultrasonic death rays are still a thing of fiction, there is growing evidence that exposure to ultrasonic waves may cause adverse health effects

New technologies for mobile devices may use ultrasonic sound waves for a variety of purposes, from charging your phone when

How low is too low? Experts debate blood pressure targets in post-SPRINT era: Two studies provide evidence for the benefits and costs of incorporating lower systolic blood pressure targets into clinical practice

Following the landmark SPRINT trial, there is a growing body of evidence for reducing systolic blood pressure targets, resulting in