Ketosis is a metabolic state that occurs when the body has used up its available glycogen stores, and starts burning fat to provide energy to the brain. Dietary ketosis typically happens on low-carbohydrate diets, or when you've eaten an insufficient amount over two to three days.

Electrolytes are minerals that are essential to a healthy body. They are positively or negatively charged molecules that your body uses for muscular contraction, maintaining the amount of water in your body and the pH of your blood. Electrolytes are lost through sweat.

Nutrition plays an important role in the treatment of a fistula because good nutrition can help promote healing. Different nutritional treatments are recommended for different types of fistula.

Cutting back on portion sizes is the easiest way to trim excess calories, fat and sugar from your diet, but it can also be quite challenging. Restaurant and fast-food portions are far larger than those appropriate for a healthful diet.

Your favorite hamburger may qualify as lean meat, but only if you choose ground beef that is at least 90 percent lean and you don’t add additional fats. Avoid cooking methods that need fat, such as pan frying, and don’t use full-fat mayonnaise or cheese.

Milk is a nutritious food, providing protein, carbohydrates, vitamins, minerals and, possibly, depending on the variety of milk you drink, energy-rich fats. However, macronutrients require digestion to unlock their nutritional benefits.

Wrapped around your windpipe on all three sides is a butterfly-shaped gland called the thyroid. This tiny gland has huge responsibilities such as controlling your body temperature, metabolism and the production of vital hormones.

With their thin, gray-brown to black color and rubbery texture, wood ear mushrooms are not like your standard white or brown mushrooms. With no caps or stems, the wood ear mushroom, which is sometimes called cloud ear, tree ear or black fungus, is most commonly sold dried and is popular in Asian cooking.

You may associate gelatin primarily with colorful jiggly desserts, but this ingredient is used in a variety of common grocery and health products. Gelatin functions as a gelling agent, contributes to a smooth palatable texture in certain foods, and can be used as a thickening or whipping agent.

Thirst occurs when your body needs water. When you do not drink enough water, your body receives mixed signals on hunger. Dehydration causes you to believe you need to eat when you really need liquid intake. Sometimes you eat food out of boredom. Keeping track of what you drink and eat will help stop overeating.

Malnutrition is often associated with people living under extreme conditions, usually due to natural disasters or from living in underdeveloped parts of the world. But even in developed countries, under-nutrition occurs in people who are poor or homeless and who are ill or have psychiatric disorders.

Your body requires protein to create and repair cells, and every cell in your body contains this macronutrient. Performing regular muscle-building workouts increases your protein requirements, but getting more protein than you need won't help you build muscle faster.