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Does your metabolism really slow down as you age?

Here are some of the top reasons your metabolism begins to slow:

  • You’re less active
  • You’ve lost muscle
  • Your body’s metabolic processes have slowed down because of age

We’re going to outline a few key things you can do to keep your metabolism revved up as you get older.

1) Your activity level. This is a sneaky one because you might not actually notice you’re moving less each day!

How active you are each day (including your workouts and your normal activities of daily living) makes up about 10% to 30% of your daily calorie burn. Very active people can actually burn up to half their daily calories from activity!

BUT … studies show that as we get older, we tend to move less, both in terms of exercise AND our general daily living.

More than 25% of people over 50 don’t exercise, and by the time we reach 75, that number jumps to more than 35%.

Plus, studies show we also move less in general, burning almost 30% fewer calories through non-exercise activity.

There is a way to avoid that slowdown!

A study comparing women aged 21-35 with women ages 50-72 showed that when the older women engaged in regular exercise, they avoided the dreaded age-related metabolic slowdown.

The takeaway: Start a regular exercise habit you enjoy NOW, and find active hobbies! Having these habits in place will set a strong foundation for continued movement as you get older.

2) Muscle loss. This next major cause of a slower metabolism is called sarcopenia – age-related muscle loss!

It’s tied in with your activity level, since being less active is one reason you can lose muscle.

On average, adults lose between 3% and 8% of their muscle mass each decade after the age of 30.

One reason this matters – beyond your general strength and ability to move easily – is because muscle burns slightly more calories (even at rest) than fat.

You can help maintain and build muscle as you age with consistent strength-training workouts: free weights, machines, and even water fitness classes can help!

The most important part is to create some resistance for your muscles to work against.

→ The takeaway: get in at least 2 strength-training workouts a week that work all of your body’s major muscle groups.

3) The aging process. As you get older, the actual process of metabolism in your cells slows down or becomes less efficient.

There isn’t a lot you can do about this – but here’s some good news. While these slowdowns do happen, studies show they have a minor impact compared with lower activity and muscle mass!

→ The takeaway: concentrate on living a healthy lifestyle and on more activities to offset the metabolic slowdown.

→ BONUS takeaway: Make sure you eat enough protein. As people get older, they often tend to eat less protein. Aim for 10% to 35% of your total daily intake.

Tip: to boost absorption, spread your protein intake out over the course of the day, since studies show that to be more effective.

Actions you take today can have a BIG impact on your life into the future.

 

References:

cdc.gov/mmwr/volumes/65/wr/mm6536a3.htm

ncbi.nlm.nih.gov/pubmed/17401138

ncbi.nlm.nih.gov/pubmed/9329340

ncbi.nlm.nih.gov/pmc/articles/PMC3276215/

ncbi.nlm.nih.gov/pmc/articles/PMC4394186/

ncbi.nlm.nih.gov/pubmed/15640517

thelancet.com/journals/ebiom/article/PIIS2352-3964(19)30239-7/fulltext

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