"Protein burns more calories than carbs and fat,” says Bustillo. About 30 percent of the calories in protein will go towards digestion and absorption, whereas that number is only about 10 percent for carbs, and even less for fats. Fiber's another nutrient that costs a little more energy, says Bustillo—so, getting adequate protein and fiber can definitely help maximize your BMR.

Metabolism is known scientifically as all of the chemical reactions that occur within the body, but the term sometimes is used to refer to the essential process of converting ingested food into energy. Metabolism is the process behind responsible all your movements, your thought process, and how you grow. The constant process is inextricably linked with life; once metabolism stops, so will the living organism, says Discovery Health. A two-part process, metabolism is influenced by the way you eat. Anabolism, one part of metabolism, is the process in which energy is created and stored; smaller molecules come together to create bigger molecules, eventually building up to organs and tissues. Catabolism, the second process of metabolism, provides the energy required for cellular activity by breaking down carbohydrates and fats to release the energy, says Kidshealth.org.
Putting yourself on a very low-calorie diet is a surefire way not to lose. "Your body is programmed to defend your usual weight," says Liz Applegate, Ph.D., professor of nutrition at the University of California at Davis and author of Bounce Your Body Beautiful. "So if you suddenly drop 1,000 calories from your diet, your resting metabolic rate [the number of calories your body burns to maintain basic bodily functions, such as breathing and heartbeat] will automatically slow down, because your body now assumes that you're starving."
Our bodies need dietary fat—particularly healthy oils—in order to lose weight and function properly. The right kinds of fats and oils help quash hunger, maximize your metabolism, and speed nutrients through your body. Healthy monounsaturated fats like olive oil can actually help the body to burn calories. Extra virgin olive oil may also increase blood levels of serotonin, a hormone associated with satiety. Plus, olive oil is also loaded with polyphenols, antioxidants that help battle many diseases such as cancer, osteoporosis and brain deterioration.
Skimping on sleep can derail your metabolism. In a study at the University of Chicago, people who got four hours of sleep or less a night had more difficulty processing carbohydrates. "When you're exhausted, your body lacks the energy to do its normal day-to-day functions, which include burning calories, so your metabolism is automatically lowered," explains Peeke.
Skimping on sleep can derail your metabolism. In a study at the University of Chicago, people who got four hours of sleep or less a night had more difficulty processing carbohydrates. "When you're exhausted, your body lacks the energy to do its normal day-to-day functions, which include burning calories, so your metabolism is automatically lowered," explains Peeke.
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