If you're considering drastic measures such as a crash diet to quickly slim down, reconsider. Overly restrictive diets that require you to cut out entire food groups are dangerous to your health and slow your metabolism. The weight you lose is mainly water weight, which you will quickly gain back.

With the number of obese people in the world, numerous fad diets have hit the market. Along with these fad diets are detoxification diets. Detoxification helps you lose the belly fat you have been trying to lose. Detox diets are what many celebrities use to get a body others only dream of having.

Body mass index, or BMI, and body composition are ways to determine whether you're at a healthy weight -- and, by extension, if you're facing a higher risk of obesity-related illnesses, like type 2 diabetes and heart disease.

The green vegetable diet is a popular source for many vegans and vegetarians who enjoy pairing fresh and frozen greens with other healthy natural foods, such as avocado and heart-healthy oils, to reap the antioxidant benefits.

Concerta is a prescription drug containing methylphenidate. Like other stimulants, Concerta may cause reduced appetite and weight loss in some users. While weight loss is sometimes desirable, it may be harmful for growing children and underweight individuals.

Celery and peanut butter contain a variety of nutrients, most of which can help with your weight loss goals. According to the American College of Sports Medicine, the oil in peanut butter is monosaturated and considered a healthy fat.

If you just couldn't keep your hands off the hors d'oeuvres at happy hour, polished off a pint of ice cream and a package of cookies after a stressful day, or ate far more than your fair share at Christmas dinner, you may feel pounds heavier.

Some people involved in fitness or weight loss claim that drinking distilled water can help you lose weight. Whether this is true, and whether the water has to be distilled, is a matter that requires a little deeper explanation.

Unfortunately, you cannot determine how much weight you will lose just from exercising for 30 minutes every day as there are a multitude of factors that go into how fast or slow you will slim down.

It’s not uncommon to question whether your weight is normal when you’re growing so rapidly during your teen years. However, the answer isn’t always as simple as it might seem. Teens have different bodies that grow at different rates, which means that you and a friend could be the same height but 25 lbs.

General guidelines exist to help determine the ideal body weight range for adult men and women of all frame sizes, including large-boned – or large-framed -- individuals. If you have a large frame, your ideal body weight is higher than that for individuals with small or medium frames.

A calorie is a unit of energy that people get from food. The body uses calories to keep you functioning even while you sleep or rest.