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.

Does Smoking Speed Up Your Metabolism?

Published Jul,18 2017 | By Kathryn Gilhuly

Four out of five smokers who quit gain weight, according to “Smoke Free,” a publication funded by the American Cancer Society. Although the health benefits of quitting smoking far outnumber the risk of weight gain, the fear of adding inches to your waistline may dim your motivation to give up your smoking habit.