
Cheat days have become increasingly popular in Western diet and fitness culture, especially on social media. The idea is that dieters can cheat for one day a week, as long as they eat according to their diet plan for the remaining six days. However, the concept of cheat days is controversial, and some experts argue that it can be detrimental to one's progress. While some believe that cheat days can help boost metabolism and keep dieters motivated, others argue that it can lead to binge eating, guilt, and shame. Ultimately, the effectiveness of cheat days likely depends on the individual, and it's important to strike a balance between a restrictive diet and one's mental health.
Is a cheat day detrimental to a diet?
| Characteristics | Values |
|---|---|
| Purpose | To allow individuals on a restrictive diet to eat better throughout the week |
| Frequency | Varies from person to person, depending on their health and weight loss goals |
| Effect on metabolism | May cause a short-term increase in metabolism, but rigorous scientific research is lacking |
| Effect on leptin levels | May increase leptin levels, reducing feelings of hunger |
| Psychological impact | May help individuals stick to their diet, but can also cause guilt and shame |
| Weight loss | May slow, impede, or reverse weight loss progress |
| Health | May be bad for health and teach bad habits |
| Relationship with food | May be a sign that an individual's relationship with food needs rethinking |
| Alternative | Nutritionists recommend the 80/20 rule, where 20% of meals can satisfy cravings |
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What You'll Learn

Cheat days can boost metabolism and burn more calories
Cheat days are a scheduled break in a diet, usually once a week, where a person eats whatever they want for an entire day. While some people believe that cheat days are detrimental to a diet, others argue that they can boost metabolism and burn more calories.
The human body eventually adapts and resets its metabolism to a new, lower calorie intake. The theory behind cheat days is that they reduce or prevent this metabolic adjustment. By occasionally deviating from a restricted eating plan, cheat days are thought to temporarily raise the body's levels of leptin, a hormone that signals fullness and suppresses hunger. As a result, cheat days may help prevent intense feelings of hunger while dieting.
However, it is important to note that there is limited scientific research supporting this theory. While some studies suggest that cheat days can positively impact metabolism, they are not specifically focused on cheat days. Instead, they examine refeed days for athletes or intermittent energy balancing protocols. Additionally, cheat days can be challenging for some individuals, potentially leading to guilt, shame, and anxiety about food.
Despite the lack of rigorous evidence, some people find that the prospect of a cheat day helps them stay disciplined and motivated throughout the week. This psychological benefit can make it easier for some individuals to stick to a restricted diet. As such, cheat days may serve as a useful tool for some people trying to maintain a healthy lifestyle or lose weight.
In conclusion, while cheat days may not be universally effective or necessary for everyone, they can be beneficial for certain individuals. Those considering incorporating cheat days into their diet should do so mindfully and in a way that aligns with their health and weight goals.
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Cheat days can help you stick to your diet
Cheat days have become increasingly popular in Western diet and fitness culture, especially across social media platforms. The idea is that by allowing yourself a brief period of indulgence, you will be more likely to stick to your prescribed diet the rest of the time.
The first theory supporting cheat days is that they boost your metabolism, causing you to burn more calories. When you restrict your calorie intake, your body eventually adapts and resets your metabolism to your new lower intake, but cheat days may reduce or prevent this. The second theory is that cheat days help keep your leptin levels up. Leptin is a hormone that tells you when you're full. When you're on a restrictive diet, leptin levels go down to encourage you to eat. Cheat days can help override that survival mechanism and prevent you from feeling hungry while dieting.
Some people find that the prospect of indulging helps them stay disciplined the rest of the time. Cheat days can be a great opportunity to practice post-diet eating. Nutritionists recommend an 80/20 rule: 80% of meals should be healthy and adhere to your eating plan, while the other 20% gives you the flexibility to satisfy your cravings.
However, it is important to note that cheat days can slow, impede, or even reverse your progress if not done right. They can also be problematic because they suggest that the foods consumed on these days are 'bad', which may lead to guilt and shame. The key is to find a diet that works for you and that you can stick to.
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Cheat days can be detrimental to your progress
Secondly, cheat days can negatively impact your metabolism. While some argue that cheat days boost your metabolism by increasing levels of the hormone leptin, which suppresses hunger, there is limited scientific evidence to support this claim. In fact, one dietitian notes that yo-yo dieting is likely the worst thing you can do for your metabolism, as it involves constantly fluctuating between periods of calorie restriction and overeating.
Thirdly, cheat days can lead to feelings of guilt and shame, especially if you view them as a "cheat" or as a deviation from your "good" diet. This negative mindset can contribute to disordered eating behaviours and a poor relationship with food. Instead, it is recommended to view all foods as morally neutral and to focus on finding a sustainable, balanced diet that includes a variety of nutritious foods as well as treats.
Finally, cheat days may not provide the psychological benefits that some claim they do. While the prospect of a cheat day may help some people stick to their diet, it can also be a reflection of a very restrictive and unenjoyable diet. A diet that is too restrictive and involves constant cravings for "cheat" foods is likely to be unsustainable in the long term. Therefore, rather than relying on cheat days, it is better to find a balanced and enjoyable diet that you can stick to without feeling the need to constantly "cheat".
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Cheat days may be a reflection of a restrictive diet
Cheat days are a scheduled break from a diet, usually referring to a day when a person can eat whatever they want. They have become increasingly popular in Western diet and fitness culture, especially on social media platforms. However, some believe that cheat days are a reflection of a restrictive and unenjoyable diet.
Emma Randall, a mindful eating consultant, states that "the more you restrict some foods, the more you'll think about them". She suggests that a moderate weight-loss diet that doesn't leave people craving cheat days is likely to be more beneficial for physical and mental health than a very restrictive diet with cheat days. This is supported by the fact that the desire for a cheat day may indicate that one's current eating plan and relationship with food need re-evaluation.
Additionally, cheat days can be problematic as they suggest that the foods consumed on these days are 'bad', which may lead to guilt and shame. This is supported by Renee McGregor, a sports and eating disorder dietitian, who states that referring to any foods as a 'cheat' may cause anxiety due to its negative connotations. Instead, she suggests repackaging food to include elements of enjoyment.
Furthermore, cheat days can be detrimental to one's progress, especially if they are too frequent. While some sources claim that cheat days can boost metabolism and help people stick to their diets, others argue that they can slow, impede, or even reverse weight loss progress. This is because cheat days can lead to binge eating, which can be difficult to recover from and may cause people to fall off the wagon altogether.
In conclusion, while cheat days may be a helpful tool for some, they can also be a reflection of a restrictive diet that is not enjoyable or sustainable in the long term. It is important to find a balanced and enjoyable eating plan that one can stick to without the need for frequent cheat days.
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Cheat days can be psychologically beneficial
The idea of cheat days emerged around the same time as "clean eating". Cheat days are based on the idea that a dieter can cheat for one day a week as long as they eat according to their diet plan for the remaining six days. Cheat days can be a helpful tool to keep binge eating at bay. Nutritionists recommend the 80/20 rule, where 80% of meals are healthy and adhere to an eating plan, while the remaining 20% can be indulgent.
For those on a highly restrictive, low-calorie diet, psychologists and nutritionists believe that cheat meals allow individuals to eat better throughout the week. Cheat days can help to keep binge eating at bay and can be a more sustainable approach to dieting. Cheat days can also boost your metabolism, causing you to burn more calories. When you restrict your calorie intake, your body eventually adapts and resets your metabolism to your new lower intake, but cheat days reduce or prevent this.
However, it is important to note that cheat days can also have negative psychological effects. Some people may feel anxious about their cheat meal and analyse it to "get it right". The concept of "cheat days" can also be problematic as it suggests that the foods consumed on these days are "bad", which may lead to guilt and shame.
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Frequently asked questions
A cheat day is a scheduled break from a diet, where a person can eat any food they want over an entire day.
There is a psychological benefit to cheat days. The prospect of indulging helps some people stay disciplined the rest of the time. However, some people feel anxious about their cheat meal and analyse it to "get it right".
There is no rigorous scientific research to support the claim that cheat days are good for your physical health. Cheat days can slow, impede, and even reverse progress. However, some studies suggest that cheat days can boost your metabolism, causing you to burn more calories.
The frequency of cheat days depends on your health and weight loss goals. If you are trying to lose weight, you may want to have fewer cheat days than if you are trying to maintain your weight.
Cheat meals often consist of high-calorie foods that wouldn't be permitted on a typical diet plan. However, there are no specific guidelines for what to eat on a cheat day, and it varies from person to person.












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