Women who wake up and go to bed at the same time each day have lower levels of body fat, according to a study of more than 300 women from Brigham Young University in Utah. Chaotic sleep habits cause your internal clock to go haywire, which in turn causes your body to secrete fat-storing hormones like cortisol. The sweet spot? Try not to stray an hour from your usual sleep pattern, the study authors say. More than a 90-minute difference in sleep and wake times were linked to more body fat. (Tossing and turning? Check out these 100 tips to sleep better every night.)
“Before you begin to change your diet, spend a week recording everything you eat—and I mean everything. Before I made any changes to my diet, I journaled everything I ate each day for a week, including little things like gum or breath mints. If you have a piece of candy from your coworker’s desk, snag a few spoonfuls of your boyfriend’s ice cream, or finish the few bits of grilled cheese your kid left on her plate, write it down! It all adds up, and you just don’t realize how much you’re eating until you actually see it all on paper in front of you. I, for one, was stunned.” — Maria Menounos, author of  The Everygirl’s Guide to Diet and Fitness, on how she lost 40 pounds
Miller and his colleagues reviewed 25 years' worth of weight loss research and found that, during a typical 15-week weight loss program, people lost, on average, 23 lbs. (10.4 kg) by only dieting and 24 lbs. (10.9 kg) by dieting and exercising, they reported in 1997. That difference may seem small, but after one year, the people who only dieted kept off 14 lbs. (6.4 kg), on average, whereas those who dieted and exercised kept off 19 lbs. (8.6 kg). [2016 Best Heart Rate Monitor Watches]
Studies found that people who keep food diaries wind up eating about 15 percent less food than those who don’t. Watch out for weekends: A University of North Carolina study found people tend to consume an extra 115 calories per weekend day, primarily from alcohol and fat. (Though good news: You can work out only on weekends and still lose weight.) Then cut out or down calories from spreads, dressings, sauces, condiments, drinks, and snacks; they could make the difference between weight gain and loss. Don’t miss these other tricks for stopping weekend weight gain.

Still, some people may be so focused on losing weight that they end up losing too much, including muscle mass. Unfortunately, this is inevitable, Dr. Grunvald said. "Any time you lose weight, you're going to lose approximately a quarter to a third in body mass, so you can't get around [losing muscle]," he explained. To minimize this, he recommends resistance training throughout the weight-loss process and eating adequate amounts of protein, about 15 percent of your daily calories.
Women who ate low-fat dairy products, such as non-fat yogurt and low-fat cheese three to four times a day lost 70 percent more fat than low-dairy dieters, according to a study published in the journal Obesity Research. "Calcium serves as a switch that tells your body to burn excess fat faster," explains study author Michael Zemel, M.D., director of the Nutrition Institute at the University of Tennessee in Knoxville. Sorry, but you won't reap the same benefits from calcium-fortified O.J. Research shows that you get the best results from dairy products themselves, not fortified foods. Aim for 1,200 mg, which includes about three servings of dairy a day.
That said, carrying extra weight around the middle is also tied to increased heart risks, making it arguably unhealthier to be an overweight man than a plus-size woman. Big bellies, it turns out, are a sort of a double-edged sword when it comes to weight loss: They're an extra health risk for men, but give guys the edge when it comes to dropping pounds.

Español: reducir grasa sin hacer ejercicio, Français: maigrir sans faire de l'exercice, 中文: 在不锻炼的条件下减肥, Русский: похудеть без тренировок, Deutsch: Abnehmen ohne Sport, Italiano: Ridurre il Grasso Senza Fare Attività Fisica, Português: Emagrecer Sem se Exercitar, Nederlands: Afvallen zonder aan sport te doen, العربية: تقليل الدهون بدون ممارسة الرياضة /injects>
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