Simply speaking, fitness trackers measure motion: most of today’s wearables come with a 3-axis accelerometer to track movement in every direction, and some come with a gyroscope too to measure ...

A new algorithm enables smartwatch fitness trackers to more accurately monitor energy expenditure of people with obesity ...

It’s no secret that exercise has many benefits. For example, we previously reported on a study that found that regular physical activity reduced the risk of more than 200 diseases—even when it was ...

Methods Seventy-eight elderly exercised (65–91 years) and 43 participated in a control group (65–88 years). The exercise group had combined aerobic and strength-training, twice/w à 1 hour.

And conveniently, exercise improves circulation and stimulates the growth of new blood vessels in the brain. “It’s not just that there’s increased blood flow,” Dr. Voss said.