Gaining Weight for No Reason? Check This Out

If you are eating right and exercising, hypothyroidism may be behind your weight gain.

Gaining Weight for No Reason? Check This Out

You're eating right and working out, yet your pants keep getting tighter. What's the deal? It could be your thyroid. 

A sluggish thyroid—even one that is just a tad slow—can cause you to pack on the pounds. Could hypothyroidism be the cause of your weight gain? 

The thyroid-weight connection 
As much as 2 percent of the U.S. population may have an underactive thyroid, called hypothyroidism. Women over 40 are at highest risk, but anyone can have it. And it matters, because your thyroid—the tiny gland right below your Adam's apple—produces hormones that control your metabolism. Too-low levels slow down everything, so your body burns fewer calories. Use this thyroid symptom checker to see if yours could be out of whack. 

Strategies for getting slim 
If your thyroid tests fine, that means hypothyroidism is likely not the cause of your weight gain. So, try these tips for battling the bulge or getting over a weight loss plateau: 

Medically reviewed in September 2019. Updated in February 2021. 

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