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Rachel V Thomas

World Prediabetes Day: Can ‘Food Noise’ Affect Blood Sugar And Weight?

World Prediabetes Day: Could ‘Food Noise’ Affect Blood Sugar And Weight?

Walking past a bakery and suddenly craving a pastry, even though you’re not physically hungry.

Seeing an ad for your favorite pizza while watching TV and suddenly thinking about ordering it, even though you’ve just had dinner.

Do you experience this too? This is often referred to as “food noise”—persistent cravings, thoughts or mental chatter about food that can occur even when you’re not physically hungry.

A 2025 study published in Nutrients found that 57% of people with obesity reported experiencing food noise.

Constant exposure to food cues—from social media posts and advertisements to food-delivery apps and supermarket aisles—can further fuel these cravings.

While thinking about food is a natural part of everyday life, for some people living with obesity, these thoughts can become persistent and difficult to escape. This may contribute to overeating and, over time, make weight and metabolic health harder to manage.

HealthandMe spoke to Dr. Jasjeet S Wasir, Bariatric &amp; Metabolic Physician, Director, Medanta – The Medicity, to understand the mechanism behind food noise.

“Food noise is like having a notification pinging on your phone every few minutes. You can ignore it a few times, but eventually the constant pinging wears down your attention and willpower, and you give in to it and indulge,” Dr. Jasjeet said.

A more formal, non-medical definition of food noise is persistent, intrusive thoughts about food, such as cravings, mental “chatter” about what to eat next, or a preoccupation with eating that some people experience throughout the day, seemingly independent of actual hunger.

Normal hunger, or the “hunger of the body”, occurs when the body needs food and the brain responds to that need. Once adequate nutrition and calories have been consumed, appetite is influenced by satiety signals and hormones such as leptin, GLP-1 and insulin.

With food noise, however, thoughts about eating can persist even when a person is not physically hungry.

The biology behind food noise is not necessarily a primary defect in the physiological hunger system, but may involve overactivation of the reward system. This system influences mood, motivation, pleasure and cravings and can be activated by food-related cues such as sight, smell and memory, Dr. Jasjeet said.

Common situations in which people may experience heightened food noise include:

<ul><li>Chronic calorie restriction or dieting</li><li>Chronic sleep deprivation</li><li>Chronic stress</li><li>Rare genetic disorders of the reward system</li></ul>

<h2>Could Food Noise Affect Prediabetes and Weight?</h2>

Dr. Jasjeet said that "there is no direct or linear correlation between prediabetes and food noise. The relationship is more complex, and it can be difficult to determine which comes first".

In a healthy state, insulin acts on appetite centers in the brain and helps suppress hunger. Prediabetes, in most cases, involves insulin resistance. Insulin resistance in the brain may alter this appetite-suppression effect and potentially contribute to persistent food-related thoughts.

At the same time, prediabetes, excess weight and increased cravings can share common underlying factors, including insulin resistance, inadequate sleep, stress, dietary patterns, genetics and the food environment.

"Food noise becomes important when thoughts about food begin to influence everyday eating behavior—for example, when a person repeatedly eats without physical hunger or finds it difficult to stop thinking about food," the expert said.

If persistent food-related thoughts contribute to excess energy intake and weight gain, they may adversely affect metabolic health and perpetuate insulin resistance. Over time, this can increase the risk of complications such as type 2 diabetes.

However, the doctor said that food noise is not a symptom or diagnostic marker of prediabetes. Prediabetes needs to be identified through appropriate blood glucose tests.

<h2>Insulin Resistance Alone Does Not Cause Food Noise</h2>

Dr. Manjunath Malige, Director, Endocrinologist, Diabetologist, Obesity &amp; Weight Management Specialist, Sakra World Hospital, Bengaluru, told HealthandMe that people with prediabetes usually have some degree of insulin resistance, but insulin resistance alone cannot be said to cause food noise.

Appetite and eating behavior are complex and influenced by biological signals, brain reward pathways, environmental food cues, sleep, stress and learned behaviors.

In India, where diets can sometimes be carbohydrate-heavy and low in protein or fiber, some people may experience greater fluctuations in hunger and cravings. When this constant chatter around food becomes excessive, it can take up significant mental space. If it leads to frequent snacking or overeating, it can make weight and blood glucose management more challenging.

Dr. Jasjeet said the first step is not to fight food or impose extreme restrictions, but to understand what is driving the urge to eat.

The doctor noted that ask yourself: Is it genuine hunger, or are you eating because of stress, boredom, habit or simply because food is available?

Having structured, balanced meals with adequate protein, vegetables, fiber and healthy fats can improve satiety. Excessive restriction or skipping meals can sometimes make cravings worse.

<ul><li>Good-quality sleep</li><li>Regular physical activity</li><li>Stress management</li></ul>These are equally important because appetite is not controlled by diet alone.

Most importantly, the experts noted that the goal is not to never think about food, as food is an important part of our lives and culture. The concern is when these thoughts become intrusive, distressing or start controlling eating behavior. In such cases, it is important to seek professional guidance.

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Walking past a bakery and suddenly craving a pastry, even though you’re not physically hungry.Seeing an ad for your favorite pizza while watching TV and suddenly thinking about ordering it, even though you’ve just had dinner.Do you experience this too? This is often referred to as “food noise”—persistent cravings, thoughts or mental chatter about food that can occur even when you’re not physically hungry.A 2025 study published in Nutrients found that 57% of people with obesity reported experiencing food noise.Constant exposure to food cues—from social media posts and advertisements to food-delivery apps and supermarket aisles—can further fuel these cravings.While thinking about food is a natural part of everyday life, for some people living with obesity, these thoughts can become persistent and difficult to escape. This may contribute to overeating and, over time, make weight and metabolic health harder to manage.HealthandMe spoke to Dr. Jasjeet S Wasir, Bariatric & Metabolic Physician, Director, Medanta – The Medicity, to understand the mechanism behind food noise.What Is Food Noise?“Food noise is like having a notification pinging on your phone every few minutes. You can ignore it a few times, but eventually the constant pinging wears down your attention and willpower, and you give in to it and indulge,” Dr. Jasjeet said.A more formal, non-medical definition of food noise is persistent, intrusive thoughts about food, such as cravings, mental “chatter” about what to eat next, or a preoccupation with eating that some people experience throughout the day, seemingly independent of actual hunger.Normal Hunger vs Food NoiseNormal hunger, or the “hunger of the body”, occurs when the body needs food and the brain responds to that need. Once adequate nutrition and calories have been consumed, appetite is influenced by satiety signals and hormones such as leptin, GLP-1 and insulin.With food noise, however, thoughts about eating can persist even when a person is not physically hungry.The biology behind food noise is not necessarily a primary defect in the physiological hunger system, but may involve overactivation of the reward system. This system influences mood, motivation, pleasure and cravings and can be activated by food-related cues such as sight, smell and memory, Dr. Jasjeet said.What Can Trigger Food Noise?Common situations in which people may experience heightened food noise include:Chronic calorie restriction or dietingChronic sleep deprivationChronic stressRare genetic disorders of the reward systemCould Food Noise Affect Prediabetes and Weight?Dr. Jasjeet said that "there is no direct or linear correlation between prediabetes and food noise. The relationship is more complex, and it can be difficult to determine which comes first".In a healthy state, insulin acts on appetite centers in the brain and helps suppress hunger. Prediabetes, in most cases, involves insulin resistance. Insulin resistance in the brain may alter this appetite-suppression effect and potentially contribute to persistent food-related thoughts.At the same time, prediabetes, excess weight and increased cravings can share common underlying factors, including insulin resistance, inadequate sleep, stress, dietary patterns, genetics and the food environment."Food noise becomes important when thoughts about food begin to influence everyday eating behavior—for example, when a person repeatedly eats without physical hunger or finds it difficult to stop thinking about food," the expert said.If persistent food-related thoughts contribute to excess energy intake and weight gain, they may adversely affect metabolic health and perpetuate insulin resistance. Over time, this can increase the risk of complications such as type 2 diabetes.However, the doctor said that food noise is not a symptom or diagnostic marker of prediabetes. Prediabetes needs to be identified through appropriate blood glucose tests.Insulin Resistance Alone Does Not Cause Food NoiseDr. Manjunath Malige, Director, Endocrinologist, Diabetologist, Obesity & Weight Management Specialist, Sakra World Hospital, Bengaluru, told HealthandMe that people with prediabetes usually have some degree of insulin resistance, but insulin resistance alone cannot be said to cause food noise.Appetite and eating behavior are complex and influenced by biological signals, brain reward pathways, environmental food cues, sleep, stress and learned behaviors.In India, where diets can sometimes be carbohydrate-heavy and low in protein or fiber, some people may experience greater fluctuations in hunger and cravings. When this constant chatter around food becomes excessive, it can take up significant mental space. If it leads to frequent snacking or overeating, it can make weight and blood glucose management more challenging.How Can Food Noise Be Managed?Dr. Jasjeet said the first step is not to fight food or impose extreme restrictions, but to understand what is driving the urge to eat.The doctor noted that ask yourself: Is it genuine hunger, or are you eating because of stress, boredom, habit or simply because food is available?Having structured, balanced meals with adequate protein, vegetables, fiber and healthy fats can improve satiety. Excessive restriction or skipping meals can sometimes make cravings worse.Other important factors include:Good-quality sleepRegular physical activityStress managementThese are equally important because appetite is not controlled by diet alone.Most importantly, the experts noted that the goal is not to never think about food, as food is an important part of our lives and culture. The concern is when these thoughts become intrusive, distressing or start controlling eating behavior. In such cases, it is important to seek professional guidance.

world prediabetes day: could ‘food noise’ affect blood sugar and weight?

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