A more accurate measure of calories burned: Model interprets leg motion as expended energy by Anne J. Manning, Harvard University edited by Lisa Lock, reviewed by Robert Egan Editors' notes ...

OpenMetabolics uses machine learning and a smartphone worn in a pocket to estimate energy expenditure. SEAS researchers have developed OpenMetabolics, an open-source, smartphone-based activity monitor ...

The number on the nutrition label doesn’t always reflect what your body absorbs.

What is a calorie? While most people think of calories in relation to food, calories are simply a unit of heat energy. In fact, measuring calories is essential to energy science because every chemical ...

A breathing test can help people learn how many calories they consume each day and form a plan to lose weight. Many people fail at diets because they don't know how many calories they can consume per ...

A weight loss doctor and fitness instructor reveal exactly how many calories walking burns, and how to burn even more.

Getting in shape isn’t just a numbers game. Experts share how strategically timing your workouts and listening to your body will give you the edge.

With so much conflicting health advice circulating online, it’s no wonder many people feel confused about what to eat and how to manage their weight. For decades, fat was labeled the enemy of good ...