Bob Greene is a certified trainer, specializing in weight loss programs, metabolism and fitness. His popularity blossomed when he made a name for himself as Oprah Winfrey’s personal trainer.

The Total Body Makeover program is not a diet. It is an eating and exercise plan that focuses on eliminating emotional eating and making exercise as an important part of one’s life.

Arthritis is a condition wherein a person experiences inflammation of certain joints. Usually, this is accompanied by swelling and sometimes, a change in structure.

There are two basic types of arthritis: rheumatoid and osteoarthritis.

Barry Sears designed the Zone Diet program to maintain one’s insulin level within stable limits – "in the zone." This program claims that a carefully planned and balance meal of fat, protein and carbohydrates allows the dieter to stay in the zone.

The Weight Watchers, which was founded in the early 1960’s by Jean Nidetch, is one of the largest and most popular weigh-loss programs in the world. With a track record of 40 years, they continue to help 25 million people every week through the internet.

Somersizing, authored by Suzanne Somers, is not just a weight-reduction program, but also a way of life.

Suzanne Somers strongly believes in food combination of low-Carb and high-protein foods. This approach, which has been practiced for years, contains all elements of a healthy program – a variety of dietary food choices, gradual weight loss and other non-food related components that are important in weight maintenance.

The Sugar Busters Program follows an idea that an ordinary person eats as much as a pound each week.

Whatever sweets you consume, such as yogurt, apple pie or juice, sugar has always been a part in one’s diet. However, the more flavors this substance adds to your meals, the more weight a person gains.

The South Beach Diet, authored by a cardiologist named Dr. Arthur Agatston, is originally designed for patients with heart diseases as a healthy eating approach to improve the insulin and cholesterol levels.

The Scarsdale Diet, which became famous in the 1970’s, was developed by Herman Tarnower.

The main concept of the diet is to divide fats, proteins and carbohydrates into accurate percentages. With a total daily consumption of 22.5% fat, 34.5% carbohydrates and 43% protein, the Scarsdale Diet lasts for two weeks.

A typical Raw Food Diet recommends the dieter to eat at least 75 percent of your food raw. There are also strict versions of this program that prohibits cooking and 100% vegetarian-dietary regimen.

Originally published in 1996, the Protein Power Diet was written by the Eades husband and wife team. The Eades couple, who were both doctors, strongly believed that in order to maintain weight and promote proper health, an individual should control his or her insulin level.

Nathan Pritikin first published this program in 1979. He strongly believed that a low fat and high carbohydrate diet was the best way to lose weight. Since the first publication of the Pritikin Diet, many authors have updated his Nathan’s concept and developed the approach to weight loss.

The Perricone Diet program, named after author Dr. Nicholas Perricone, is not about losing weight.

As a renowned dermatologist, Dr. Perricone designed this diet to fight against the signs of aging and to reduce inflammation of the body. The author believes that when your skin is healthy, it is a major sign of healthy living.

The Peanut Butter diet, which is written by Holly McCord, is a creative blend of prevalent diet plans and is based on scientific evidence.

One of the reasons why this diet became so popular because it is the first weight loss plan that introduced a diet that includes America’s favorite comfort food. This lures numerous dieters since they become willing to achieve their weight loss goals.