Yourmetabolismslows down as you age (viaPiedmontHealthcare).

Perhaps shockingly, your metabolism slows down a whopping 10 percent with each decade you grow older afterage 20.

This phenomenon means that the older you get, the more difficult it is tolose weightwithout significant lifestyle changes.

Blocks explaining metabolism

Ultimately, aging itself isn’t the biggest factor in your slowing metabolism.

Adding healthy habits like eatingprotein-rich foodsandgetting enough sleepeach day can also help, according toHealthline.

Older woman using purple dumbbells