
Mark Haub, a professor of human nutrition at Kansas State University, ate a diet of Twinkies, Little Debbie snacks, Doritos, Oreos, and other sugary foods for 10 weeks. During this time, he lost 27 pounds, moving from an overweight BMI to a normal BMI. Haub's Twinkie diet was an experiment to prove that weight loss is governed by calorie intake rather than the nutritional value of food. He limited himself to 1800 calories per day, significantly less than his pre-diet intake of 2600 calories. While Haub's health indicators improved during the experiment, he does not recommend others replicate his diet, as the long-term effects of such eating habits are unknown.
| Characteristics | Values |
|---|---|
| Name | Mark Haub |
| Occupation | Professor of human nutrition at Kansas State University |
| Diet | Twinkies, Doritos, Oreos, Little Debbie snacks, steak, milk, multivitamins, and protein shakes |
| Calorie intake | 1,589-1,800 calories per day |
| Duration | 10 weeks |
| Weight loss | 27 pounds |
| BMI change | 28.8 (overweight) to 24.9 (normal) |
| Cholesterol change | Increased good HDL cholesterol by 2 points |
| Blood glucose change | Decreased |
| Purpose | To prove that weight loss depends on calorie intake rather than nutritional value |
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What You'll Learn

Mark Haub's Twinkie diet experiment lasted 10 weeks
Mark Haub, a professor of human nutrition at Kansas State University, conducted an experiment where he ate junk food like Twinkies, Doritos, Oreos, and other treats for 10 weeks. During this period, he ensured he consumed fewer calories than he burned, aiming for less than 1800 calories a day. This is 800 calories less than what a man of his size would typically need to maintain his body weight. Haub's premise was that in weight loss, pure calorie counting matters more than the nutritional value of food.
The experiment, which began on August 25, was initially intended to last for a month as a teaching tool for his class. However, as he lost weight, he decided to continue until he reached a normal body mass index. Before the Twinkie diet, Haub tried to eat healthily, including whole grains, dietary fiber, berries, vegetables, and occasional treats. Despite his efforts, he felt he was eating too much and wanted to prove a point about the importance of calorie counting.
During the experiment, Haub's diet consisted of various high-sugar and high-fat snacks. A sample day's menu included double espresso, Hostess Twinkies Golden Sponge Cake, a multivitamin pill, Little Debbie Star Crunch cookies, Diet Mt. Dew, Doritos Cool Ranch corn chips, Kellogg's Corn Pops cereal, whole milk, baby carrots, brownies, Little Debbie Zebra Cake, and a Muscle Milk Protein Shake, totalling 1589 calories.
The results of the experiment were impressive. In just 10 weeks, Haub lost 27 pounds and his body mass index (BMI) improved, moving from "overweight" to the "normal" range. Additionally, his cholesterol levels showed surprising improvements, with his good HDL cholesterol increasing by two points and his overall cholesterol dropping. However, it's important to note that Haub does not recommend others replicate his snack-centric diet.
While Haub's experiment demonstrated the importance of calorie counting, it also sparked concerns about the potential long-term health effects of consuming highly processed and sugary foods. Experts warn that the initial improvements in cholesterol and weight loss could be deceiving, and a diet rich in processed and sugary foods is not a sustainable way to improve health. The short-term nature of the experiment may have played a role in the lack of negative health consequences, and long-term consumption of artificial and processed foods is likely to lead to health problems.
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He lost 27 pounds
Mark Haub, a professor of human nutrition at Kansas State University, lost 27 pounds in 10 weeks by eating a high-sugar, high-fat, low-calorie diet. He consumed junk food like Twinkies, Little Debbie snacks, Doritos, Oreos, and other treats, ensuring he consumed fewer calories than he burned.
Haub's premise was that in weight loss, pure calorie counting matters more than the nutritional value of food. He limited himself to less than 1,800 calories a day, creating a significant caloric deficit. A man of Haub's pre-diet size typically consumes about 2,600 calories daily. By following this basic principle of weight loss, he consumed significantly fewer calories than he burned.
Haub's diet made international headlines and amazed many people because it contradicted the advice of diet "gurus" who claim weight loss involves something other than calories in versus calories out. His success highlighted that caloric deficits are the key factor in weight loss, as supported by the First Law of Thermodynamics (FLoT), which states that energy (in this case, calories) cannot be created or destroyed.
Despite his weight loss, Haub's experiment was not intended to promote an optimal diet. He did not recommend replicating his snack-centric approach due to the unknown long-term effects of such eating habits. While his health markers, such as cholesterol and triglycerides, improved during the experiment, diet experts warned that these initial changes could be deceiving. They emphasized that long-term consumption of artificial, processed food will likely lead to health problems.
Haub's Twinkie diet served as a teaching tool for his class, demonstrating that weight loss is primarily about calorie management rather than specific food choices. However, it's important to prioritize nutritional quality for overall health, energy, and longevity, even while managing calorie intake.
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He ate junk food like Twinkies, Oreos, Doritos, and steak
Mark Haub, a professor of human nutrition at Kansas State University, ate junk food like Twinkies, Oreos, Doritos, and steak for 10 weeks. He lost 27 pounds by consuming fewer calories than he burned. Haub limited himself to less than 1,800 calories a day, which is about 800 calories less than a man of his size would typically consume to maintain their weight.
Haub's diet consisted of various high-sugar and high-fat snacks, including Hostess and Little Debbie cakes, as well as Doritos chips, sugary cereals, and Oreos. He ate these foods instead of regular meals, consuming something every three hours. In addition to the junk food, Haub also included some vegetables, protein drinks, and a multivitamin in his diet.
The purpose of Haub's experiment was to prove that weight loss is primarily determined by calorie intake rather than the nutritional value of food. He wanted to open up a debate for his students about whether it is the quantity or quality of food that matters most in maintaining a healthy weight. Haub's health indicators, such as cholesterol and triglycerides, improved despite the lack of fruits and vegetables in his diet.
However, it is important to note that Haub's experiment was short-term, and he does not recommend others replicate his junk food-centric diet. The long-term effects of consuming highly processed and sugary foods are still unknown, and diet experts warn that initial improvements in health markers may be deceiving. While Haub's weight loss and improved health indicators are impressive, it is crucial to prioritize nutritional quality and long-term health over short-term weight loss goals.
Overall, Haub's "Twinkie diet" demonstrates the importance of calorie intake in weight management, but it also highlights the potential risks and unknowns associated with long-term consumption of highly processed and sugary foods.
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He limited himself to less than 1,800 calories a day
Mark Haub, a professor of human nutrition at Kansas State University, ate a diet of Twinkies, Little Debbie snacks, Doritos, Oreos, and other treats for 10 weeks. During this time, he limited himself to less than 1,800 calories a day. This was significantly fewer calories than he would usually consume, with a man of his size typically eating around 2,600 calories per day.
Haub's "convenience store diet" was an experiment to prove that weight loss is about pure calorie counting, rather than the nutritional value of food. By consuming fewer calories than he burned, he lost 27 pounds over the course of the 10 weeks. His body mass index (BMI) went from 28.8, which is considered overweight, to 24.9, which is a normal BMI.
Haub's diet consisted of various high-sugar and high-fat snacks, including Hostess Twinkies Golden Sponge Cake, Little Debbie Star Crunch cookies, Doritos Cool Ranch corn chips, Oreos, and other similar treats. Despite the high-sugar and high-fat content of these foods, Haub was able to keep his calorie intake low by carefully tracking his calories and practising portion control. He ate to the point of need and pushed the wrapper away, as he described it.
Haub's diet gained a lot of attention and made international headlines. Many people were surprised that it was possible to lose weight while consuming junk food. However, Haub's experiment demonstrated that it is the total calories that matter when it comes to weight loss, rather than the types of calories eaten. This principle is supported by the first law of thermodynamics (FLoT), which states that caloric deficits are what lead to weight loss.
It is important to note that Haub's Twinkie diet was a short-term experiment and he does not recommend replicating it. While his health indicators, such as cholesterol and triglycerides, improved during the diet, the long-term effects of consuming a high-sugar and high-fat diet are still unknown. Nutritional quality is important for overall health and well-being, and a balanced, low-calorie diet is generally recommended for sustainable weight loss and health.
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He wanted to prove that weight loss is about calories, not nutritional value
Mark Haub, a professor of human nutrition at Kansas State University, lost 27 pounds in 10 weeks by eating a high-sugar, high-fat, low-calorie diet. He consumed snack cakes, sugary, processed foods, and junk food like Twinkies, Little Debbie snacks, Doritos, Oreos, and steak. He wanted to prove that weight loss is about calories, not nutritional value.
Haub's premise was that in weight loss, pure calorie counting is what matters most, not the nutritional value of the food. This premise held up: on his "convenience store diet," he shed 27 pounds in two months. He limited himself to less than 1,800 calories a day, a basic principle of weight loss: consuming fewer calories than burned. His body mass index went from 28.8, considered overweight, to 24.9, which is normal.
Haub's diet made headlines because it highlighted that weight loss is about calories, not the nutritional value of food. According to Dr. Yoni Freedhoff, an obesity specialist, the diet "hammers home one incredibly unfortunate fact—the world doesn't understand calories." Many people spend billions on "miracle" weight-loss cures, not realizing that a calorie deficit is what matters for weight loss.
Haub's experiment demonstrated that it is possible to lose weight while eating junk food. However, he does not recommend replicating his diet, as the long-term effects are unknown. While his health markers improved, and his cholesterol and weight changed positively, diet experts warn that these initial changes could be deceiving. A diet rich in processed, sugary food is not a sustainable way to improve health.
Haub's "Twinkie diet" proved that weight loss is about calories, not nutritional value. However, it is important to note that nutritional quality is crucial for overall health and longevity. While Haub's short-term experiment showed positive results, the long-term consumption of artificial, processed food can lead to health problems.
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Frequently asked questions
Mark Haub did the Twinkie diet for 10 weeks.
Mark Haub lost 27 pounds on the Twinkie diet.
Mark Haub, a professor of human nutrition, wanted to prove that weight loss is dependent on calorie counting and not the nutritional value of food.
Mark Haub ate Twinkies, Little Debbie snacks, Doritos, Oreos, and other junk food. He limited himself to less than 1800 calories a day.


































