Believing popular misconceptions can keep you from taking the right course of action to reach your goals, says Julia Valentour, MS, program coordinator and media spokesperson for the American Council on Exercise. Blaming a plateau (or a gain) on any of these half-truths will keep you stuck in your rut and derail your motivation. Here, 10 of the most pervasive diet-related rumors and the real scoop on how to hit your goal weight for good.
1. “Strength training will bulk me up.”
First, let’s tackle the myth that a pound of muscle weighs more than a pound of fat. A pound is a pound is a pound—whether it’s made up of muscle or fat. That said, muscle is denser than fat and takes up less room, so two women who weigh the same can look much different if one has a higher ratio of lean muscle mass to fat, says Valentour. “Muscle weight is a good weight because you look firmer, smaller, and more fit. It’s also more metabolically active, so just having more muscle will
boost metabolism throughout the day to help keep you leaner.”
It’s important to incorporate strength training into your routine so you burn calories at an optimal rate all day long—and using heavier weights could help maximize your efforts. Researchers at the Washington University School of Medicine in St. Louis found that working out with heavy weights even for as few as 3 to 6 repetitions increased exercisers’ sleeping metabolic rate—the number of calories burned overnight—by nearly 8%. That’s enough to lose about 5 pounds in a year, even if you did nothing else!
2. “I exercise every day, so I can eat whatever I want.”
The sad truth: Even if you work out religiously, going to yoga several times a week and sweating it out in Spinning, it’s not a license to eat as much as you want and still expect to lose weight. This may seem obvious, but the desire to reward a workout well done is natural; after all, you endured those endless vinyasas—you deserve an extra slice of pizza (or three), right? Not if you’re trying to lose weight.
“You can outeat your workout,” says Valentour. Even though you burn calories and fat when you exercise, it’s often not as much as you think—or what the readout on the treadmill tells you. Valentour recommends eating 250 fewer calories per day and aiming to burn an extra 250 calories a day; that creates enough of a calorie deficit to achieve an average weight loss of a pound a week.
3. “It’s harder for women to lose weight than for men.”
Okay, this one has some basis. Biologically, men are built with more lean muscle mass (the compact, tight muscles that keep metabolism humming) than women are — meaning his metabolism is working at a 5 to 10% higher rate (even if he’s the same height and weight as you) when you’re lying on the couch together. Annoying, isn’t it?
Another biological challenge women face is that we generally have more body fat than men do, and our bodies are more inclined to store it. On top of that, women lose about 1/2 pound of calorie-burning muscle mass a year during perimenopause and sometimes a pound a year during menopause. With the deck stacked against you, why bother trying to fit back in your skinny jeans?
You can do something about these problems, but it’s going to take some work—and sweat. Add strength training to your fitness routine at least twice a week to shed fat and build lean muscle mass that will fire up your resting metabolism.
4. “All calories are equal, so it doesn’t matter what I eat.”
Ever since you learned what a calorie is, you’ve been told that they’re all alike: Whether you eat 500 calories’ worth of celery stalks or crème brûlée, your body will burn or store them equally, right? Wrong! New science shows that when it comes to weight loss, calories are nowhere near alike.
Some foods take more work to eat—and therefore burn more calories while you’re digesting them. Just the act of chewing fruits, vegetables, whole grains, and lean cuts of meat can increase your calorie burn by up to 30%! And then your stomach and intestines do their jobs. In a Japanese study, researchers found that women who ate the foods that required the most work had significantly slimmer waistlines than those who ate the softest, easiest-to-eat foods. The fiber and protein in such foods take so much effort to digest that your body ’doesn’t absorb some of their calories.
5. “Eating fat will make me fat.”
Fat-free products are so-o-o over. There’s nothing special about fat that packs on pounds: Getting enough fat in your diet—the Institute of Medicine recommends that it make up 20 to 35% of calories—is essential for good health, but the type of fat matters.
Monounsaturated fats—MUFAs (pronounced MOO-fahs), for short—come from the healthy oils found in plant foods such as olives, nuts, and avocados. A report published in the British Journal of Nutrition found that a MUFA-rich diet helped people lose small amounts of weight and body fat without changing their calorie intakes. Another report found that a breakfast high in MUFAs could boost calorie burn for 5 hours after the meal, particularly in people with higher amounts of belly fat.
6. “Eating at night will make me gain weight.”
Cutting out nighttime snacking is a popular weight loss strategy because it feels logical—eat less when you’re less active. But this topic has been debated for years, and even recently, a study in the April 2011 journal Obesity suggested that eating after 8 pm may increase the risk of obesity, but there aren’t clear-cut reasons why. It’s mainly how much you eat—not when you eat—each day that affects weight gain. Many people eat at night out of boredom or other emotions instead of hunger, and they wind up consuming more calories than they need for the day — calories that are then stored as fat. Also, people who eat at night may wake up without an appetite and skip breakfast, the meal that helps control calorie intake throughout the day.
7. “Drinking a ton of water will help me drop pounds.”
Stop hogging the office watercooler (and running to the loo). It’s possible that drinking water can aid weight loss efforts, but it won’t automatically make you lose weight if you’re not changing any other habits. A University of North Carolina at Chapel Hill study found that people who regularly drink water eat nearly 200 fewer calories daily than those who consume only coffee, tea, or soda. And if you sip water instead of sugary drinks, the calories you’ve saved will help shed pounds.
Drinking ice-cold water can help you burn more calories too. German researchers found that drinking 6 cups of cold water a day raised resting metabolism by about 50 calories daily—possibly because of the work it takes to warm the fluid up to body temperature. It’s up to you to decide whether 50 calories is worth guzzling ice water—or whether it would be easier just to take the stairs.
8. “Becoming a vegetarian will help me drop a size.”
Eliminating meat from your diet can result in great health benefits, but if you don’t follow a vegetarian diet properly, you could accidentally pack on pounds.
Dawn Jackson Blatner, RD, author of The Flexitarian Diet, explains common vegetarian beginners’ mistakes that may cause weight gain. Vegetarian “types” to avoid becoming:
* Cheese-aholic vegetarians: They cut out meat from their diets and turn to cheese as a protein source. But cheese is a high-calorie, high-fat food and should be eaten in moderation.
* Faux-meat fixators: All they eat is boxes of frozen faux meats, such as soy chicken nuggets, vegetarian sausage links, and veggie bacon strips. These products are okay once in a while, but they are heavily processed and can have a lot of sodium, resulting in bloating and water retention.
* No-veggie vegetarians: A lot of vegetarians don’t eat enough fruits and vegetables. They eat only grains, beans and veggie burgers, all of which can be high in calories.
* Same-meal-minus-the-meat vegetarians: These people eat the same meals they did before, but without the meat. If they’re not replacing the protein, they’ll probably have a ferocious appetite and may be missing out on essential nutrients.
* “Vegetarian” food label fans: These people find any recipe or packaging that contains the word “vegetarian” or “meatless” and then overeat that food. They often wind up taking in too much junk food. Be aware that the word “vegetarian” is not synonymous with “healthy” or “low calorie.”
9. “Subbing diet soda and diet foods is a smart way to lose.”
Chugging cans of diet soda and eating prepackaged diet foods may seem like a no-brainer way to trick your body into pound-shedding mode because they have few or no calories—but it’s not going to give you lasting results.
Diet soda may increase your risk of metabolic syndrome, a group of symptoms that includes high levels of belly fat, blood sugar, and cholesterol. People who consumed just one diet soda daily had a 34% higher risk of the syndrome than those who abstained, according to a University of Minnesota study of nearly 10,000 adults ages 45 to 64.
10. “Weight gain and belly fat are unavoidable after 40.”
Let’s be honest here: You’re not going to wake up on your 40th birthday with a gut and 10 extra pounds on your frame. It does get harder to lose weight as we age, but you can put some healthy habits into practice now to maintain your weight—or even lose—as the years pass by.
The years leading up to menopause, known as perimenopause, are prime time for weight gain: On average, women put on a pound a year, mostly around the waist, according to the Mayo Clinic. Out-of-whack hormones and a slowing metabolism are a couple of the weight gain culprits. But reaching menopause doesn’t have to mean getting plumper. Studies show that the more you work out, the slimmer you’ll be, even during this transition time. Keep your diet in check and you’ll boost your results.
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