"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."

When doing an abs circuit, think about all three planes of motion, says celebrity trainer Gunnar Peterson, who works with Sofia Vergara, Kim Kardashian, and Vanessa Lachey: Try crunches and reverse crunches to hit your sagittal (front to back and up and down) plane, standing side bends for frontal (side-to-side) movement, and chops or twists for transverse (rotational) action. This will help challenge and therefore define your abs.


The book itself doesn't get tediously microbiome-focused, though. The first section of The Lose Your Belly Diet sets the stage, then part two goes into which foods can give you that healthy mix of gut bacteria. Part three focuses on other ways to boost your stomach's microbiome health (avoiding antibiotics when you don't need them, exercise, and what probiotic supplements to take, namely), while part four gets actionable, providing a diet quiz, recipes, and a meal plan.
That's exactly what happened when last summer I shared Zero Belly Diet with a test panel of more than 500 people, some of whom lost as much as 16 pounds in just 14 days, and up to three inches off their waist. The secret to Zero Belly Diet is the new science of nutritional genetics, the study of how our genes are turned on and off by the foods we eat. Simply making a handful of tweaks to your diet and lifestyle can help improve your gut health, dampen inflammation, turn off your fat genes and start your body shedding fat—in particular, belly fat—almost automatically.

Get into a crunch position—lie on your back, knees bent, feet flat on the floor, shoulders and head off the floor with your abs contracted. Then have someone throw an exercise ball (or basketball) to you—first to your left side so you have to twist and reach to catch it, and then to your right. Do this as many times as is comfortable, and try to increase the number each week.
This plan, created by Cederquist exclusively for REDBOOK, cuts carbs significantly for three days, reducing excess insulin, a fat-storing hormone. Then it brings them back slow and steady (see below). During each phase, you should eat plenty of lean proteins ( g) and healthy fats ( g) throughout the day to keep you feeling full and ward off cravings. The protein will help you build and maintain muscle mass, too, which is key to burning calories, Cederquist says. Pack your bags, belly fat!
If you find regular water too boring, consider making sassy water instead. Sassy water is simply regular water infused with a number of refreshing and energizing ingredients, which help to speed up the metabolism and cut down on belly fat. Recipes vary, but many include some combination of ingredients such as orange slices, lemon slices, grated ginger, cucumber, fresh spearmint, and fresh basil. The water is left to infuse overnight — making it refreshingly "sassy" by the next morning!
Most people need around 1.5-2.5 litres of water per day, depending on your size and how active you are – more if you are very active or working out in heat. Of course 4-5 litres of water per day is not healthy, especially if you are also eating enough food! Cassey’s recommendations on this calendar are not unhealthy if you already drink a healthy amount of water – at most she’s recommending to drink 5 cups more than you would normally (1 US cup is – I think – about 250 ml or a quarter of a litre). I normally drink 2 litres of water a day, so following this calendar I would be drinking at most just over 3 litres. That’s not unhealthy.
WHAT'S GOING ON: If the only abs exercise you ever do is crunches, you'll never have a firm tummy, says Stephanie Hahn, a physical therapist at STAR Physical Therapy in Austin, TX. Crunches train your rectus abdominis (your "six-pack") to fold forward. That makes the muscles shorter, and if your transverse abdominals (the muscles that sit behind your rectus) aren't toned, you end up with what experts call a muscle imbalance—and a bulge in your lower belly. "Doing more crunches won't help," Hahn says.

For test panelist June Caron, incorporating fresh produce like avocados was a life-changing lesson from Zero Belly Diet. The 55-year-old lost 6 pounds in the first week on the program. "Learning to eat real, chemical-free, fresh foods has been the best thing that ever happened to me. I am never hungry. And the weight just keeps coming off!" Glowing skin, healthy nails, and better sleep were Zero Belly bonuses, June said. "I'm well on my way to getting my sexy back. Everyone says I look much younger!"
Avocados are a double-whammy to belly fat. First, they're packed with heart-healthy monounsaturated fats that dim your hunger switches; a study in Nutrition Journal found that participants who ate half a fresh avocado with lunch reported a 40 percent decreased desire to eat for hours afterward. Second, unsaturated fats like those found in avocados seem to prevent the storage of belly fat. (These creative ways to eat avocado will help you up your intake.)

WHAT'S GOING ON: There are two kinds of belly fat: There's the stuff right under your skin that you can pinch (ugh), called subcutaneous fat. But that's actually the less harmful kind. It's visceral fat that poses a real threat to your health. It plumps your middle from the inside out, surrounding organs such as your liver, lungs, and heart—and putting you at greater risk for heart disease, diabetes, and some cancers, says Kristen Gill Hairston, M.D., an endocrinologist at Wake Forest Baptist Medical Center in Winston-Salem, NC.
Squat-thrust push-ups. Start in push-up position, do one push-up, then push off with your feet and pull your knees up to your chest so your feet land between your hands (still on the ground in push-up position), then jump as high as you can, arms over head. Squat back down with your hands on the floor, then jump back to push-up position again. Do as many as you can do well with good form.
There’s arguably nothing easier than pouring some cereal into a bowl to start your day, but loading up on Frosted Flakes in the a.m. is detrimental for your belly. Tony the Tiger’s favorite cereal, while tasty, is packed with sugar and empty calories that are keeping you from having the body you want. Forgoing the Frosted flakes in favor of eggs is an easy way to change that. Since they are an excellent source of protein, eggs have the power to keep you fuller, longer. In fact, in one study with 21 participants, half were fed a breakfast of bagels while half ate eggs. The egg group had a lower response to ghrelin (the “hunger hormone,”) were less hungry three hours later, and consumed fewer calories over the course of the next day than the bagel eaters. What’s more? Egg yolks contain choline, a nutrient with powerful fat-burning properties.
While scents of apple pie and snickerdoodle cookies will make your mouth water, others can actually help suppress your appetite. One study in the Journal of Neurological and Orthopaedic Medicine found that people who sniffed peppermint every two hours lost an average of five pounds a month! Banana, green apple, and vanilla had similar effects. Consider burning a minty candle until you head to bed to fill the room with slimming smells. If you don’t want to bother with blowing out candles before you turn down the covers, try adding a few drops of peppermint oil to your pillow.

Core compressions: Sit tall in a chair with your feet hip-width apart and your belly flattened toward your spine. Place one hand on your upper abs and the other on your lower. Take a deep breath in, then exhale forcefully to draw your abdominal muscles in even tighter, keeping your back straight and still. Continue for five minutes, focusing on slow, complete tightening of the muscles. Do two sets.
Do stability training. How do you turn a bicep exercise into a core workout? Add a stability challenge! Do the exercise in a standing position and add an unstable surface under your feet. That way you have to brace your core and use your abdominal muscles to balance and stay upright while you work your arms. You can add this kind of balance challenge to any exercise. Use tools like a wobble board or a bosu to enhance your stability training.
Get into a crunch position—lie on your back, knees bent, feet flat on the floor, shoulders and head off the floor with your abs contracted. Then have someone throw an exercise ball (or basketball) to you—first to your left side so you have to twist and reach to catch it, and then to your right. Do this as many times as is comfortable, and try to increase the number each week.
Honestly, children and young teens shouldn't push themselves too hard, however, if desperate try drinking cold iced water before every meal (helps lose excess fat), eating smaller portions, and doing 10-30 minutes of exercise in the morning. Also, leisure activities like swimming are great for working abs and the rest of your body at the same time.
Adequate sleep plays an integral role in our weight. This is because our metabolism dictates everything from the rate we burn calories to when and where we store fat. And your metabolism is simply your biochemistry / hormone balance. For this reason, when we don’t sleep the body doesn’t release as much fat burning HGH, and conversely it releases more of the belly fat stress hormone cortisol as well as an appetite enhancing hormone called Ghrelin. Be sure to get your shut eye. 8 hours a night is preferable, but 7 will suffice.
Lately the common sit-up has stirred controversy, coming under fire from certain experts for putting excessive wear and tear on the spine. While evidence is mounting but the jury is still out, try this simple back-friendly modification from Stuart McGill, PhD, professor of spine biomechanics at the University of Waterloo in Canada and author of The Ultimate Back Fitness and Performance: Lying faceup on the floor, slip your hands underneath the natural curve of your spine. "You can activate the rectus abdominis with tiny upward movements, as if you're lifting your head and shoulders off a bathroom scale so it registers zero," he explains.
Sit on your hips with both legs extended in front of you. Place your hands behind your hips and keep your back long as you lean back slightly and lift your legs off the floor, holding your belly in and up the entire time. Reach both arms out to the sides of your thighs. Lower your legs about 45 degrees, until your body resembles a wide ‘V’. Hold this position for 10 long, deep breaths (or up to 60 seconds).
Essentially, that meal plan involves eating plenty of leafy greens and fiber-rich vegetables, as well as high-fiber, low-sugar fruits, like blueberries, blackberries, raspberries, and pears. He also recommends two to three servings of whole grains per day, as well as six to seven servings of protein — with a preference for nuts, legumes, fish, and dairy over beef, pork, and chicken.
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