Basal metabolic rate (BMR) is the calories your body burns at rest. Knowing your BMR can help determine how many calories you ...

The number is much smaller than previous research, which estimated metabolic ceilings as 10 times your BMR. And while extreme ...

The Fitbit calorie tracker feature can be useful when planning a diet or workout schedule. Here's how Fitbit calculates ...

Don't be fooled by diets and workouts that claim to speed up metabolism, that's not how it works. Here's how metabolism is ...

Answer: You can estimate your basal metabolic rate by using the Harris-Benedict equation. The BMR is the rate at which your body burns calories to sustain life and is roughly 50-80 calories per hour ...

The metabolic ceiling represents the maximum number of calories that a body can actually burn. For humans, it is believed to ...

When athletes devote large amounts of energy to running or cycling, they unconsciously cut back on energy output elsewhere.

While ultramarathoners are capable of huge energy spurts, overall the athletes top out at 2.5 times the metabolic rate needed for basic body functions.

When ultra-runners lace up for races that stretch hundreds of miles and days, they're not merely testing their mental grit ...

Basal metabolic rate (BMR) accounts for about 60% of the calories you burn each day. To calculate your BMR, you should use the Mifflin-St. Jeor equation, which is the most accurate. Knowing your BMR ...

Knowing your BMR can help you more accurately determine the amount of calories you need to eat a day to lose weight. Oscar Wong/Getty Images ...