6- The Importance Of Heat Production In Humans
Humans, like all mammals, are homeotherms, which means that they maintain a near-constant body temperature. Even small changes from the normal body temperature of 98.6 degrees Fahrenheit can cause serious decreases in performance and even death. Metabolism is the principal source of heat production in humans. The body can also produce heat through thermogenesis, which is heat generation in addition to normal metabolism. Examples include shivering and activation of brown fat. We can also slow heat loss by wearing clothing. Brown fat contains uncoupling proteins that dissipate energy as heat rather than storing it as fat. We can increase brown fat activity naturally through cold exposure. (Trends in Endocrinology and Metabolism)
7- Ketogenic Diets Help Control Hunger
The brain uses mainly glucose (sugar) for fuel, but it can also use ketones and lactate. During low-calorie dieting, the body produces ketones to supply fuels to the brain.
The liver produces ketones that come from fatty acids released during fat breakdown that happens due to low-calorie consumption. A literature review by researchers from the University of Copenhagen in Denmark concluded that ketones produced during very low-calorie diets overcome appetite slightly. Ketogenic diets (i.e., low-calorie diets that result in ketone production) decrease appetite and increase the feeling of fullness, even during severe caloric restriction. Normally, appetite increases during low-calorie dieting. Endurance athletes typically fail to make fitness gains while following ketogenic diets, but strength athletes can monitor the diet with little effects on performance. However, it is difficult to gain muscle mass when following the diet. (Exercise and Sport Sciences Reviews)
8- Limostatin Suppresses Insulin Secretion
A hormone called Limostatin suppresses insulin secretion during carbohydrate restriction, according to a study led by Donald Alfa from Stanford University School of Medicine.
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The scientists discovered the hormone in fruit flies. In humans, problems with Limostatin metabolism are the link to obesity. Cells in the gut produce the hormone. Understanding the metabolism of this new hormone might help scientists understand the mechanisms of obesity in humans. (Cell Metabolism.)
The importance of eating plenty of protein cannot be overstated.
This has been shown to boost metabolism by 80 to 100 calories per day (6, 7, 8).
High-protein diets can also reduce cravings and obsessive thoughts about food by 60%, reduce the desire for late-night snacking by half, and make you so full that you automatically eat 441 fewer calories per day — just by adding protein to your diet (9, 10).
When it comes to losing weight, protein is the king of nutrients. Period.
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