Ghrelin is a hormone that the body uses to stimulate hunger and increase food intake. Ghrelin normally rises prior to a meal and falls shortly after nutrients begin to be absorbed into the body. As you reduce food intake and fat mass while on a...
Metabolism, appetite, satiety and other factors influence body weight through a complex interplay. Leptin and ghrelin are two hormones with effects that influence body weight. Weight loss and gain, as well as the diagnosis and treatment of...
Ghrelin, a gastrointestinal hormone, stimulates weight gain and appetite and decreases the breakdown of fat. Peptide YY, a hormone, suppresses appetite and counters activity produced by ghrelin. According to a 2008 study published in "American...
Your body strives to keep you in a state of energy balance. It wants you to put in and burn off the right amount of calories. Ghrelin and leptin are two hormones that facilitate this process by sending signals to your brain. Ghrelin says, "I'm...
Menopause marks the end of fertility in women. A normal, natural event that occurs some time after age 45, menopause involves reduced functioning of the ovaries and lower levels of estrogen and progesterone, two hormones involved in reproduction....
The gastrointestinal, or GI, tract produces and secretes a wide array of peptides that act as hormones, coordinating and regulating the activities of the digestive system. The cells that secrete GI hormones reside within the lining of the...
Coconut oil contains medium-chain fatty acids, which may be a factor in stimulating appetite. Despite this, coconut oil often is promoted as a weight-loss aid due to the way it is metabolized in your body. This is just one of the contradictions...
Human growth hormone, HGH, contributes to development and reproduction. Drug companies manufacture synthetic forms, such as somatropin and somatrem, for use by doctors and patients. Athletes inject HGH to enhance abilities and promote healing....
Appetite control center is a collection parts of your brain and hormones that work in concert to control when and how you eat. Your body signals hunger when blood sugar levels are low sending a signal to your brain, trigger you to eat. This...
Hormones are chemicals produced by the body to affect particular changes. Some hormones are present in very different amounts between men and women. Hormones are created in glands located within the body. Hormone imbalances and hormone changes can...
Many over-the-counter products claim to stimulate the release of human growth hormone. These substances, known as HGH secretagogues or HGH releasers, remain controversial because the U.S. Food and Drug Administration does not regulate them. Yet...
Vigorous cardiovascular workouts burn calories and fat, but research indicates they may also suppress your appetite. Aerobic exercise, such as jogging, releases hormones into your bloodstream that curb your appetite, more so than anaerobic...
Hunger can be a huge obstacle to weight loss, and has destroyed the diets of even those with the best of intentions. When hunger becomes unbearable, humans tend to react by eating foods less healthy than they would have otherwise chosen....
Have you ever not eaten for a few hours and then want to eat everything in sight? In today’s busy world, people often don’t have time to sit down and eat a meal every few hours. As a result, you might experience increased feelings of...
Statistics have consistently shown a correlation between obesity and sleep deprivation, but only since 2000 have researchers begun to understand why. Individuals who have a BMI of 30 or higher, considered obese, sleep fewer hours each night than...
Yo yo dieting often occurs when dieters attempt highly restrictive "crash" diets. Though a crash diet leads to short-term weight loss, it ultimately proves unsustainable and leads to food binging. Chronic yo yo dieters might go through...
Hormones are like chemical messengers that get released into your bloodstream and tell your cells how to behave. Hormones help you grow, fight disease, enable you to reproduce, and affect your appetite, metabolism and weight. Scientists are...
An urge to eat can result from boredom or the fact that you're on a diet and your body senses imminent starvation. Your mind might prompt the urge; your body can respond or it can be a combination of both. Hunger is associated with a hormone...
Ancient healers used ground seeds from the Theobroma cacao plant to treat a wide variety of ailments. Modern researchers have shown that products containing this powder -- such as chocolate -- improve your health. Eating chocolate can reduce your...
Neurotransmitters are essentially brain chemicals that serve as messengers. These brain chemicals transfer messages, or impulses, to and from nerve cells, creating a complex electrical system that keeps the body operating optimally. They must...
For many, the determining factor in a successful weight loss program is appetite control. Common sense and willpower can become irrelevant when hunger pangs call for your attention. Although a reduced calorie diet may be what triggers feelings of...
Lack of sleep may hinder your weight loss efforts and even cause you to gain weight. Aim for seven to nine hours of sleep a night to prevent weight gain, as well as decrease the risk of diabetes, heart problems and psychiatric conditions. To make...
"Eat only when you're hungry" is a nice truism, but the fact of the matter is that sometimes people eat for other reasons. Or even if you're hungry, you want to eat less to lose weight, so you try all kinds of tricks, such as eating the salad...
Weight loss can almost triple during the REM (rapid eye movement) cycle of sleep, according to pediatric sleep specialist, Dennis Rosen, M.D. This is due to a combination of elements including hormone production (ghrelin and leptin) during sleep...
Along with oxygen and water, food is life sustaining. Food provides macronutrients including fats, proteins and carbohydrates, which are used as sources of energy, as well as building blocks for everything from healing injured muscles to producing...
Controlling appetite isn't always an easy thing to do. For one thing, signals from the brain control how much you eat and when you feel full. It's actually your brain and not your stomach that lets you know you feel hungry. Another factor to...
Before food is even in sight, the brain prepares the body for digestion. The mere thought of food can trigger a release of chemicals in the stomach. The process of digestion then continues in the mouth, proceeding on into the stomach and then...
If the weight scale has not budged in awhile, the reason might be related to your sleep duration. Research shows that sleep deprivation increases weight gain, mainly due to changes in hormones that regulate the appetite. Lack of sleep is...
Losing abdominal fat can be an exciting and rewarding journey that leads to lasting health benefits. However, with so many options available, choosing a method that works can be tricky. With persistence as your most effective weapon, you can trim...