Does your metabolism slow as you age? Discover the facts and follow these expert tips

He has helped demystify exactly what a metabolism is, how it can change with age and some key ways we can maintain a healthy metabolism as we get older.

“Metabolism refers to the chemical processes that keep our bodies functioning – from converting food into energy to repairing cells and supporting organ function,” Fehervari says. “The metabolic rate is the amount of energy your body uses to maintain these vital processes.

“Even when you’re resting, your body is still working to keep your heart beating, lungs breathing and brain active – this is known as your basal metabolic rate (BMR).”

“One of the biggest myths is that people with a ‘fast’ metabolism can eat whatever they like without gaining weight,” Fehervari says. “In reality, differences between individuals are usually modest.”