"Most women don't want to talk about it, but you really have to set aside a specific time each day to use the bathroom," notes Judith Reichman, M.D., a professor of obstetrics and gynecology at the University of California, Los Angeles. "If you don't, it's too easy to give into feeling rushed, and ignore the urge to go." Once you've trained your brain to dismiss your body's signals, you set the stage for bloat-inducing constipation.
Stress skyrockets your levels of cortisol, often called “the belly fat” hormone because it signals to the body to store fat around your waist. Add the daily stressors of living our modern lifestyle and you can see how cortisol can be constantly coursing through your veins. This perma-stress mode isn’t good for a lot of healthy reasons, your tummy being just one of them, so it’s important to take time every day to de-stress. Yoga, meditation, walking, journaling, doing a hands-on hobby, or playing a musical instrument are all great time-tested methods. (Hint: Know what isn’t? Watching television. The boob tube actually increases your levels of cortisol!)

Cruciferous veggies are one of the healthiest vegetables you can eat, but unfortunately they’re also the ones most likely to cause your tummy to inflate. Thanks to raffinose, a compound that produces extra gas as it breaks down, broccoli, cabbage, cauliflower and the like can seriously increase your waistline. But don’t ditch them forever. Just save them for meals where you can wear loose pants. Here are other surprising foods that cause gas.
Work to reduce your stress level. It turns out that you can place a little bit of the blame for your bulging belly on our caveman ancestors. Part of the “fight or flight” reflex that helped protect our predecessors from sabre-tooth tigers triggers a release of cortisol, which signals the body to store fat in the abdominal area — saving it as energy for tough times to come.[14]
Like lunch, your evening flat-belly meal should consist of half non-starchy vegetables, one-quarter whole grains, and one-quarter protein. That combination is packed with nutrients, but will also keep you full. A healthy plate might contain vegetables roasted in olive oil, a serving of quinoa, and three to six ounces of chicken or fish, says Rumsey. (Read these secrets nutritionists won’t tell you for free.)
Kneel on the floor with your knees hip-width apart, toes tucked under. Extend your arms out straight in front of your chest, palms facing down. Lift your chest and press your pelvis forward as you hinge backwards, arching slightly through your lower back. Pause and focus on opening up your chest while also keeping your ribcage down and your belly button drawn into your spine. Slowly return to the starting position. That’s one rep. Repeat up to 10 times.
The good news, according to Weltman, is that high intensity — the level at which you feel the effort and can no longer hold a conversation — is different for each person. "You may have to run to get to that level, while someone else may just have to jog or walk," he explains. "It all depends on your level of fitness, but the great thing is, you can do it whether you're a competitive athlete or just starting out."
When it comes to ab flab, there are two ways to tackle the problem: Either burn blubber or suck it in with stronger muscles. "Even if you don't lose fat, you can improve your waistline by toning your muscles," says Michele Olson, PhD, a FITNESS advisory board member and professor of physical education and exercise science at Auburn University at Montgomery in Alabama.
• Too much estrogen circulating in the body increases body fat, and fatty tissue within the body produces and stores more estrogen. Body fat contains an enzyme that converts adrenal steroids to estrogen. At a cellular level, body fat continues to produce more estrogen, and a high estrogen level, in turn, causes the body to increase its store of fatty tissue. In other words, your belly becomes a 'fat magnet.'
As part of the Flat Belly Plan, have an anti-inflammatory snack in the afternoon. Snacks should be rich in flavonoids, which are powerful antioxidants that help curb inflammation. They're the natural compounds that give berries and other fruits their vibrant color. Try a sliced yellow bell pepper with hummus or a bowl of mixed berries drizzled with dark chocolate. Click here for more anti-inflammatory food suggestions.
Look for a brand of Greek yogurt that contains live and active cultures, which will promote healthy bacteria in your gut to prevent bloating. (These are signs you could have an unhealthy gut.) Plus, the protein in the yogurt will keep you full. Beef it up with fiber-rich oats, berries, and chia seeds for an extra filling morning meal—just don’t go overboard if your body isn’t used to digesting that much fiber, says Jessica Crandall, RDN, CDE, spokesperson for the Academy of Nutrition and Dietetics. “If you’re not used to that amount of fiber it causes gas, but if you work up to it slowly, it promotes a healthy GI system,” she says. Slowly add a little more fiber to your diet every day for a flatter belly, and increase your fluid intake to aid digestion and reduce icky symptoms like diarrhea and bloating—here’s how to get more fiber into your diet without really trying.
"Researchers are now discovering that gut bacteria also seem to play a role in the complex process of weight loss and weight gain," he writes. "We don't know exactly how much impact our Little Buddies have on our weight, but we're learning enough to believe that understanding the connection more fully may help us as we confront the obesity epidemic in the United States — and in our own bodies."
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