As a student competing in track and field at his Parlier high school, Robert Leija was obsessed with how to improve his performance, and in particular, prevent the buildup of lactic acid in his ...

People often discuss the importance of removing, or “flushing out,” lactic acid from the blood after intense exercise to reduce muscle soreness, speed recovery, or boost athletic performance. After ...

Imagine being able to measure your blood sugar levels, know if you’ve had too much to drink, and track your muscle fatigue during a workout, all in one small device worn on your skin. Engineers at the ...

A volunteer is monitored after being given a large dose of glucose to determine how well people switch from fat to carbohydrate metabolism as they age. In the tests at UC Berkeley, subjects had their ...