The fat on your body is not all created equal. Essential fat, such as that in your bone marrow, central nervous system and in your heart, is critical to basic body functioning. Storage fat, however, comes from eating excess calories and can sometimes make your jeans too hard to button.

During the first few hours of a fast, your body gets its fuel from glycogen stores in your liver and muscles; the glycogen is broken down into glucose. Once the glycogen is gone, however, your body breaks down a mix of both fat and muscle to provide it with the fuel it needs.

Tea with lemon is a healthful drink that's almost calorie-free, which makes it an ideal drink for a weight-loss diet. Tea itself, especially green tea, may have some effect on weight loss, but don't count on it as your main strategy for slimming down.

Environmental toxins are unavoidable. The U.S. Environmental Protection Agency sets acceptable levels of dozens of compounds and chemicals, including arsenic and lead, that can be present in the air we breathe and the water we drink.

According to the Extreme Intellect website, the average intelligence quotient (IQ) is between 85 and 115, which comes from dividing a person’s tested mental age by her chronological age and multiplying that number by 100.

Fruit and yogurt both offer many nutritional benefits, separate from each other. For safe, steady weight loss and maintenance, the United States Department of Agriculture encourages a balanced, low-fat diet that consists of all five food groups: 1) grains, 2) vegetables, 3) fruits, 4) dairy and 5) proteins.

Wellbutrin, generic name bupropion, is an oral prescription medication available in two formulas: SR, standard release and XL, extended release. According to eMedTV, Wellbutrin is typically used to treat major clinical depression and works by altering the levels of dopamine and norepinephrine in the brain.

Adipex, a brand name of the medication phentermine, can be used with diet and exercise to help people lose weight. This medication is a stimulant similar to an amphentamine and can be habit-forming.

Human chorionic gonadotropin, a hormone produced by the placenta during pregnancy, gives a positive result when detected by pregnancy tests. If you are using the HCG diet as a method of weight loss, there is a chance that you could get a positive pregnancy test result even if you are not pregnant.

Gwen Stefani's abdominal muscles actually have a Facebook fan page, but the former lead singer for No Doubt admits that she always has to watch her diet. Stefani credits trainer Mike Heatlie and Beverly Hills personal trainer Gunnar Peterson with helping her create an effective, albeit strict diet and exercise plan.

Counting calories is an effective and direct method of managing your weight. Your body requires a very specific number of calories in order to function. If your body receives an excess of calories, you will gain weight. Conversely, by decreasing your caloric intake you can create a calorie deficit and lose weight.

Eating too many carbohydrates adds to your waistline. When you eat too many carbohydrates, the calories your body does not need are converted to triglycerides and transported to your fat cells for storage. Carbohydrates also stimulate insulin, which works in the body to store fat. Protein does the opposite.