Metabolism Guide: How to Calculate BMR, RMR and Boost Energy

Metabolism determines how many calories your body burns at rest through BMR and RMR. Understand how age, thyroxine, and pregnancy affect your metabolic speed and energy levels.

Over the shoulder shot of man eating his charsiew rice

How Many Calories Does It Take to Maintain 170 Pounds?

Published Jul,18 2017 | By Jessica Bruso

The number of calories it takes to maintain your body weight depends on a variety of different factors, including age, gender, body composition and activity level. You can use a general formula to get an estimate, and then modify your calorie consumption based on whether your weight changes or stays the same.

Teenage girl (16-18) looking away, close-up

When Does a Teen's Metabolism Slow Down?

Published Jul,18 2017 | By Jessica Bruso

Because a number of factors can affect metabolism, there isn't a particular age when a teen's metabolism slows down -- it varies from one teenager to another.