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fad diets


As early as the Greeks and Romans people have been dieting, but while it was largely about health and fitness back then, it’s the Victorians who really kick started the fad diet.

“The Greek word diatia, from which our word diet derives, described a whole way of life,” says Louise Foxcroft, a historian and author of Calories and Corsets: A History of Dieting Over 2,000 Years.

“Dieting back then was about all-round mental and physical health. People really got a taste for fad dieting in the 19th Century. It is during this time that things tip over into dieting more for aesthetic reasons and the diet industry explodes.”

So what are the weirdest and unhealthiest fad diets from history?

Chew and spit

At the turn of the 20th Century the American, Horace Fletcher, decided a lot of chewing and spitting was the way to lose weight.

Fletcherism, as it was called, promoted chewing a mouthful of food until all “goodness” was extracted, then spitting out the fibrous material that was left.

He was fairly prescriptive in how many times you had to chew different foods. Just one shallot needed to be chewed 700 times.

It was hugely popular and had some famous followers, including Henry James and Franz Kafka.

It got to a point where people were timed at dinner parties to make sure they were chewing enough, says Louise Foxcroft.

“The diet also meant only defecating once every two weeks and it was nearly odorless, described by Fletcher as smelling like <<warm biscuits>>,” she says.

“Fletcher carried a sample of his own faeces around with him to illustrate this wonder.”

Tapeworm diet

Not for the squeamish, in the 1900s the tapeworm diet became all the rage. The opera singer Maria Callas reportedly ate the parasites to try and lose weight.

Dieters would swallow beef tapeworm cysts, usually in the form of a pill. The tapeworms reached maturity in the intestines and absorbed food. This could cause weight loss, along with diarrhoea and vomiting.

Once a person reached their desired weight they then took an anti-parasitic pill which, they hoped, would kill off the tapeworms. The dieter would then have to excrete the tapeworm, which could cause abdominal and rectal complications.

It was risky in many ways. Not only can a tapeworm grow up to 30 feet (9 m) in length, they can also cause many illnesses including headaches, eye problems, meningitis, epilepsy and dementia.

“During the 19th Century dieting became big business,” says food historian Annie Gray. “Advertising was becoming more and more sophisticated, with more and more diet products being peddled.”

The diet industry boom was also down to the rise in celebrity and the media and the development of new medicines, says Louise Foxcroft.

The weirdest and unhealthiest fad diets from history

The weirdest and unhealthiest fad diets from history


Diet drugs, pills and potions became increasingly big business in the 19th Century. But these so-called “wonder-remedies” often had dangerous ingredients, including arsenic and strychnine.

“It was advertised as speeding up the metabolism, much like amphetamines do,” says Louise Foxcroft.

While the amount of arsenic in the pills was small, it was still extremely dangerous. Often dieters would take more than the recommended dose of the pills thinking they would lose more weight, risking arsenic poisoning.

Also, arsenic was occasionally not advertised as an ingredient meaning people didn’t know what they were actually taking.

“Such poisons were loosely controlled then and easily obtained for all sorts of household and medicinal purposes,” says Louise Foxcroft.

“Charlatans set themselves up as experts with diets to promote and products to sell. Plenty of people bought into these <<miracle cures>>.”


Celebrity dieters are nothing new. Lord Byron was one of first diet icons and helped kick start the public’s obsession with how celebrities lose weight.

Much like today people wanted to look like celebrities of the time and new diet fads were advertised in the expanding media.

And like today’s celebrities, Lord Byron worked hard to maintain his figure. In the early 1800s the poet popularized a diet consisting mainly of vinegar.

If he were alive today he would probably be endorsing a book about the diet – and it would probably be a bestseller.

In order to cleanse and purge his body he would drink vinegar daily and eat potatoes soaked in the stuff. Side effects included vomiting and diarrhoea.

Because of Lord Byron’s huge cultural influence, there was a lot of worry about the effect his dieting was having on the youth of the day.

Romantics were restricting themselves to vinegar and rice to get Lord Byron’s fashionably thin and pale look.

“Our young ladies live all their growing girlhood in semi-starvation,” wrote one critic at the time.

During this time eating patterns became more prescriptive, with set dining styles, says Annie Gray.

“This also caused people to worry about their size. Queen Victoria was terrified of putting on weight.”

Lord Byron’s strict diet:

  • Lord Byron said he had a “morbid propensity to fatten” and weighed himself obsessively
  • Records show in 1806 he weighed 13st 12lb (88 kg), but was under 9 st (57 kg) by 1811
  • He often had just a cup of green tea for dinner
  • His obsessive dieting resulted in health problems


In the mid 1800s Charles Goodyear figured out how to improve rubber beyond its natural state with a process called vulcanization.

With the Industrial Revolution and mass production, suddenly the use of rubber expanded massively.

That included rubber knickers and corsets. The thinking behind both was that rubber held in fat but more importantly caused sweating, hopefully leading to weight loss.

They were worn by both men and women, says Louise Foxcroft. It wasn’t much fun as the skin-macerating underwear meant flesh would be softened and broken down by extended exposure to moisture, making it vulnerable to infection.

“At the time all sorts of gadgets and treatments were being advertised as the way to lose weight,” says Annie Gray.

It was World War I that curbed the fad, with rubber being needed for the war effort.

What the Greeks and Romans did right:

  • Diets were about how to live well and not just as an individual, also in society
  • Different theories existed but they believed you are what you eat
  • They would treat illnesses first by diet and also promoted the importance of exercise and sleep
  • The Greeks did promote some stranger weight-loss methods, including wrestling, avoiding sex and walking around naked

Source: Calories and Corsets: A history of dieting over 2,000 years


Experts have warned that the top five celebrity fad diets should be avoided in the New Year.

The British Dietetic Association (BDA) said that diets followed by the rich and famous were becoming “more extreme” and increasingly involved “medical intervention”.

Dieticians warned there really is “no quick fix” to a slim, trim body for 2013 and said that following celebrity fads could lead to health problems.

Among the most disturbing entries was the Ketogenic Enteral Nutrition Diet (KEN), said to be followed by top fashion models.

The KEN diet involves eating nothing at all. Instead, a liquid formula is administered through a feeding tube inserted through the dieter’s nose. You are attached to a portable pump and liquid bag for ten days and can unhook yourself for only 60 minutes every 24 hours.

BDA consultant dietician Sian Porter described the procedure as “shocking” and something ‘usually reserved for the chronically ill’.

The list also included the bizarre Party Girl IV Drip Diet. Offered at private clinics for about £225 ($340) a time, it involves a high-dose cocktail of vitamins and nutrients administered via a drip of the type used to treat the severely malnourished and clinically ill, supposedly providing a “power boost”.

Sian Porter said: “There is very little evidence that this even works in well people. Even if it did, food and drinking water or other healthy drinks is preferable to having an IV drip inserted into your body.”

She added: “Our concern is that many of these diets are quite invasive. It shows the extreme lengths that people are willing to go to in order to lose weight.

“Eating is a pleasure and people should enjoy their food.”

The carb-free Dukan Diet was named as the worst offender for the third year in a row. The Dukan Diet became the bestselling diet book of all time, with more than a million copies sold in Britain alone. It is credited with Carole Middleton’s svelte figure at her daughter Kate’s wedding to Prince William.

But the BDA described it as “confusing, time-consuming, very rigid” and warned it could cause “lack of energy, constipation and bad breath”.

The Six Weeks To OMG [Oh My God] Diet was dismissed as “six weeks of hell and isolation”. Its London-based creator, Venice A. Fulton, recommends doing exercise first thing in the morning after drinking black coffee, and sitting in a cold bath to burn stored fat.

The BDA attacked as “madness” the increasingly popular Alcorexia or Drunkorexia Diet, which encourages followers to shun calories during the week so that they can binge on alcohol at the weekend. Sian Porter said: “After Christmas, people often look for a quick fix. They see air-brushed celebrities and aspire to look like that.

“But if it looks too good to be true, it usually is. We see new health fads and diets every year but there is no substitute for exercising and a balanced diet.”

BDA view on five diets

BDA view on five diets