Jillian Michaels

Oct 10, 2015

More Reasons to Whittle Your Middle

While many people are concerned with how they look and feel the muffin tops and beer bellies aren’t the sexiest, the truth of belly fat is far more nefarious. Excess belly fat has been linked to diabetes, cardiovascular disease, some cancers and stress.

When you have stress, your body releases certain "fight-or-flight" stress hormones that are produced in the adrenal glands: cortisol, norepinephrine and epinephrine. When you first get stressed, these hormones kick into gear. Norepinephrine tells your body to stop producing insulin so that you can have plenty of fast-acting blood glucose ready. Epinephrine will relax the muscles in your stomach and intestines and decrease blood flow to these organs. Once the stressor has passed, cortisol tells the body to stop producing these hormones and to go back to digesting regularly. It's normal for your cortisol levels to go up and down throughout the day, but when you are chronically stressed your cortisol level goes up — and stays there.

When your stress and cortisol levels are high, the body actually resists weight loss. Your body thinks times are hard and you might starve, so it hoards the fat you eat or have present on your body. Cortisol tends to take fat from healthier areas, like your butt and hips, and move it to your abdomen which has more cortisol receptors. Hello ab flab! In the process, it turns once–healthy peripheral fat into unhealthy visceral fat (the fat in your abdomen that surrounds your organs) that increases inflammation and insulin resistance in the body. This belly fat then leads to more cortisol because it has higher concentrations of an enzyme that converts inactive cortisone to active cortisol. The more belly fat you have, the more active cortisol will be converted by these enzymes — yet another vicious cycle created by visceral fat.

So what if you have belly fat? Lose it by eating clean and working out. I have many different workouts for women and men of all ages and athletic abilities as well as meal plans for omnivores, vegans, and paleo / gluten free individuals in my app, Train With Jillian. Check them out if you feel you need a little extra help and support. 

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