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Tom recruits eight families keen to change their lives for the better. He believes that cooking from scratch with fresh ingredients will make them healthier, fitter and happier.

The Biggest Loser features obese people competing to win a cash prize by losing the highest percentage of weight relative to their initial weight.

Embarrassing Fat Bodies

In this unique experiment, nine 21st century volunteers subject themselves to the weight loss diets and fitness regimes of previous generations. But have they bitten off less than they can chew?

Five best friends start a challenge to lose 50 pounds each in 120 days to compete in a triathlon.

Embarrassing Bodies is a British television programme broadcast by Channel 4 and made by Maverick Television since 2007. In 2011, an hour long live show was introduced, "Embarrassing Bodies: Live from the Clinic", which makes use of Skype technology. Various spin-offs have been produced in relation to the programme to target different patients, such as Embarrassing Fat Bodies and Embarrassing Teenage Bodies. The show has a strong multiplatform presence on web and mobile.

Telling powerful stories in hourlong episodes, TLC follows medical journeys of morbidly obese people as they attempt to save their own lives. The featured individuals - each weighing more than 600 pounds confront lifelong emotional and physical struggles as they make the courageous decision to undergo high-risk gastric bypass surgery. In addition to drastically changing their appearances, they hope to reclaim their independence, mend relationships with friends and family, and renew their feelings of self-worth.

Ran an den Speck – Familien nehmen ab

I Used To Be Fat is an MTV reality series that follows overweight teens striving to achieve weight loss through means of diet and exercise. Each episode follows one teenager who is paired with a motivational personal trainer. A trainer teaches them new exercise and eating habits over the next few months while offering emotional support. Documented students share their personal trials and tribulations in the series. Several episodes of the show have covered a high school student's last summer before college. These students expressed a desire for a metamorphosis before they start their new lives away from home.

Jamie Oliver is here to start a revolution. The impassioned chef takes on obesity, heart disease and diabetes in the United States, where its children are the first generation not expected to live as long as their parents.

Celebrity Fit Club is a reality television series that follows eight overweight celebrities as they try to lose weight for charity. Split into two competing teams of four, each week teams are given different physical challenges, and weighed to see if they reached their target weights. They are monitored and supervised by a team that includes a nutritionist, a psychologist, and a physical trainer, the latter of which is former U.S. Marine Harvey Walden IV.

You Are What You Eat is a dieting programme aired in various forms between 2004 and 2007 on British broadcasting company Channel 4, and presented by Gillian McKeith. The fourth series was called You Are What You Eat: Gillian Moves In.

Dr Emma Craythorne and her team of experts are on a mission to solve complex skin conditions. They help people whose lives have been impeded by devastating disorders and they hope Emma and their team have the solution.

Embarrassing Bodies: Live from the Clinic reveals how medicine may be practiced in the future. The show uses Skype video calling to offer members of the public appointments with Dr Christian Jessen and Dr Dawn Harper, along with guest specialists, during the live broadcast. Focusing on live diagnosis and consumer healthcare, the doctors arm callers and viewers with practical advice and information on what treatments and services are available to them both on the NHS and privately. Alongside the live cases there are consumer items featuring tests on over-the-counter medicines and insight into popular procedures such as laser eye-surgery.

3 Fat Brides, 1 Thin Dress is a British reality television series hosted by Gillian McKeith that aired on Channel 4. Three brides-to-be are challenged to lose weight for a chance to win the dress of their dream.

They are two of the most stressful things in life - planning a wedding and losing weight. Ten overweight engaged couples will live together and battle for the wedding of their dreams over a three-month period. Every episode, the couples will face off in a big physical challenge, competing to win one element of their wedding - from the invitations, to the cake, to the rings. Whatever they win will be theirs to keep. Together, they will plan their weddings with the help of the nation's top wedding planners, they will take a vow to eat right and exercise, and world-class trainers and nutritionists will completely overhaul their bodies. At the end of each episode, the couples will step on the scale and be weighed together - the couple who lost the least amount of combined weight that week will be eliminated. In the end, one couple will win their fantasy wedding - a once-in-a-lifetime event - that America will attend.

This companion series to TLC's popular "My 600-Lb. Life" presents profiles of people who go through extensive surgeries to remove up to 50 pounds of excess skin. Using modern technology and reconstructive surgical options, massive amounts of skin are removed, creating a full-body transformation.

Eight brave participants in the transformation will share their story. And they discover that not only indiscipline in eating, but also emotional overeating and other factors are behind their excess weight. Those that influence the development of overweight everyone. On the way to their dream figure, all the participants of the Fatty project have to grapple not only with unfamiliar foods or healthy eating, but also with healthy and regular exercise. In addition, they have to get their lives in order, which is a problematic trigger for becoming overweight.

Weight loss expert Steve Miller moves into the homes of some of the UK’s fattest families, exposing them to the risks their bulging bellies and bad habits have on their health. And he’s not going to hold back until he has turned their ‘house of fatness’ into a ‘house of fitness’.

Check in on the men and women featured in "My 600lb Life." Since the show, have they maintained their weight loss and continued working toward their goals? We get an update on where they are now and what's changed since the show.