Weve all done it. We sit down and consume a huge meal that obviously fills our need for basic energy, yet we still find room for that luscious dessert. It may not be a personality flaw that causes us to do this, but a cascade of hormonal signals that triggers areas in the brain which make the delicious food more rewarding.
Hedonic hunger is the term used for the desire to eat for pleasure rather than to restore the bodys nutritional needs. The physiological process underlying hedonic hunger is not well understood yet, but researchers at the University of Naples SUN in Italy focused on two substances that may be involved.
Palmiero Monteleone MD assessed a small number of healthy adults aged 21 to 33 years after they ate a meal of their personal favorite food and then later, a less-palatable food of equal caloric and nutrient value. Levels of two hormones, ghrelin and 2-arachidonoylglycerol (2-AG), were measured in the blood.
Ghrelin is a hormone released from the stomach which has been found to make foods especially high-calorie foods appear more appealing. Ghrelin levels normally decrease after eating a meal, but when they remain elevated, we continue that feeling of hunger even though we physically do not need food.
2-AG is an endocannabinoid present at relatively high levels in the central nervous system which acts upon the CB1 receptor. This receptor is involved in the regulation of food intake, especially sweet foods. It also inhibits ghrelin release, promoting overeating.
During the period of hedonic eating, plasma levels of ghrelin and 2-AG were increased, but these hormones were not elevated when eating the less pleasurable foods. This increase suggests activation of the chemical reward system which overrides the bodys signals to stop eating once it has enough to restore energy.
Is there anything we can do to prevent overeating when we know we are not really in need of the excess nutrients? Cynthia Sass MPH RD, who writes about emotional eating, says that there is no easy fix, but the most important thing you can do is understand your personal patterns of food cravings. A fat reducing overview can help you build a clear summarize of what you require to focus on to carry out your fat loss target if you're a beginner; or serve as a reminder for those who are at an intermediate or more advance step of their weight-loss strategy. Following are seven steps that can serve as tips for your own weight loss program. The first thing that one must understand is that losing weight and losing fat is not the same thing. Many weight loss plans have misled people into wondering that it is the same, but most diets and weight loss plans only work by causing a person's body to lose more muscle tissue and water than actual body fat, more help please visit The Fat Loss Factor.
Keep a food diary to record your experiences, draw connections and develop insights. For example, you may find that you eat emotionally at certain times of the day or after interactions with particular people. Use this knowledge to formulate a plan to help you avoid eating when you dont really need the calories.
Journal Reference:
P. Monteleone, et al. Hedonic Eating Is Associated with Increased Peripheral Levels of Ghrelin and the Endocannabinoid 2-Arachidonoyl-Glycerol in Healthy Humans: A Pilot Study. Journal of Clinical Endocrinology & Metabolism, 2012; DOI:10.1210/jc.2011-3018
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