Wednesday 18 July 2012

Eat Fat To Burn Fat

Fat Burns Fat

The body needs three macronutrients for energy: Carbohydrates, protein, and fat. A gram of fat packs more than twice the energy of a gram of the other two. “When you don’t have any fat in your diet its like you don’t have fuel to burn calories,” Glassman says. The body requires energy to keep its metabolism properly functioning, and a 2007 study published in the American Journal of Clinical Nutrition found that consuming fatty acids can boost metabolic health.

What’s more, “old” fat stored in the body’s peripheral tissues—around the belly, thighs, or butt (also called subcutaneous fat)—can’t be burned efficiently without “new” fat to help the process, according to researchers at Washington University School of Medicine in St. Louis. Dietary fat helps break down existing fat by activating PPAR-alpha and fat-burning pathways through the liver.

Think of mealtime like baseball spring training: young, hungry players (new fat) hit the field and show the general manger (the liver) that it’s time to send the old, worn-out players (subcutaneous fat) home. And away they go.
Fat Keeps You Full

Fat isn’t the easiest nutrient to digest, so it sticks around in the digestive system for more time than many other nutrients. MUFAs may also help stabilize blood sugar levels, according to Mayo Clinic. That means you feel full longer, and you won’t feel the stomach-growling urge to raid the refrigerator after mealtime.

In fact, diets with high amounts of omega-3 fatty acids, a type of MUFA that the body can only acquire through food, create a greater sense of fullness both immediately following and two hours after dinner than do meals with low levels of the fatty acids, according to a 2008 study from University of Navarra in Pamplona, Spain. It’s no surprise that dieters who consume moderate levels of fat are more likely to stick with their eating plans than dieters who consume low levels of fat.

The result? More weight lost.
Fat Makes You Happy

Everyone says that dieting, not to put too fine a point on it, stinks. Eating yummy foods makes you happy, and it turns out low-fat versions just don’t do the trick for one surprising reason: We can taste the fat—not just the salt, sugar, and other goodies in food.

Recent research from Purdue University shows that our taste buds can detect fat in food, which helps explain why low-fat foods don’t curb our fat cravings. According to the research, fat may be an entirely different basic taste than what we’ve long considered the four mainstays: sweet, salty, sour, and bitter. On an even happier fat note, omega-3 fatty acids can boost serotonin levels in the brain, helping to improve mood, increase motivation, and keep you from devouring a large pizza like it’s your job. 3.5% of women and 2% of men have suffered from diagnosed binge-eating disorders, while millions more people are occasional emotional eaters, according to the National Institutes of Mental Health.
Fat Builds Muscle

“Eating good fats along with an effective exercise program can increase muscle,” says trainer and owner of Results Fitness, Rachel Cosgrove, CSCS, who notes that increasing muscle mass is vital to increasing metabolism and burning calories both in and out of the gym. In a 2011 study published in Clinical Science, researchers examined the effects of eight weeks of PUFA supplementation in adults ages 25 to 45 and found that the fat increases protein concentration and the size of muscular cells in the body. Previous studies have found that omega-3 fatty acids stimulate muscle protein synthesis in older adults and can mediate muscle mass loss due to aging.
Fat Makes Food Better For You

Many nutrients including vitamins A, D, E, and K are fat-soluble, meaning that the body can’t absorb them without fat. If your body isn’t absorbing nutrients properly, that can lead to vitamin deficiencies and bring on dry skin, blindness, brittle bones, muscle pains, and abnormal blood clotting, according to Gidus.

These vitamins are also key to maintaining energy, focus, and muscle health, all of which contribute to a healthy weight. Vitamin E, for example is a powerful antioxidant and helps maintain your metabolism, while the body’s levels of vitamin D predicts its ability to lose fat, especially in the abdominal region, according to a clinical trial from the University of Minnesota Medical School. So while you can pile your salad high with nutrient-rich spinach, tomatoes, and carrots, you really need to thank the olive oil for sending the salad’s vitamins your way.

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