WHAT IT IS: Developed by former scientist Dr. Barry Sears, The Zone Diet involves getting 40 percent of your daily total caloric intake from carbohydrates, 30 percent from carbs and 30 percent from fats. According to Sears, balancing the correct amount of amino acids with carbs helps control the appetite to prevent over-eating (which leads to weight gain). Followers eat three portion-controlled meals and two snacks a day, preventing you from getting too hungry – or cranky. Hollywood hottie Jennifer Aniston was such a big fan, some have even called it the “Jennifer Aniston Diet." Weight Loss Cardio Workout at Home | 35 Minutes

Muscles are what keeps our metabolism high and as we age, our muscles slowly start to get smaller, therefore allowing our metabolism to slow down. To counteract this, Shapiro recommends that we start lifting weights. “No, you won’t get big and bulky. In fact, you’ll stay lean,” she says. That’s because weight training causes you to burn more calories per workout than cardio sessions, and you continue to burn them post workout. And that’s not all—click here to discover 40 Ways to Lose 4 Inches of Body Fat!


“Most 40-year-olds can remember the fat-free craze of the ’90s, when Snackwells was king,” says Shapiro. “Well, those days are over.” She advises that you leave the fat-free fake foods behind and enjoy healthy fats that add flavor to your meals and help you fill up with less. “Coconut oil, avocado, nuts, seeds, salmon are rich in vitamins and minerals that will keep you young and fill you up on smaller portions, and therefore fewer calories.” She says.

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