Cedars-Sinai Blog

Q&A: Metabolism

Metabolism is the process of converting food into work energy or stored energy.

"As you get older, if you follow the same diet you always have, your body will store more fuel as fat."

What exactly is metabolism?
What's work energy?
If ATP handles the work energy, then how does the body store energy?
People often claim they have a slow metabolism. Is it a real thing?
Is that why it's so hard to lose weight as you get older?
Is there any scientific evidence that certain diets, such as eating 6 smaller meals a day, help speed up metabolism?

What's intermittent fasting?