Myths About Obesity


Myth: People With Obesity Don't Exercise
It's a common belief that all people with obesity are inactive, but this isn't true. Many people with obesity engage in regular physical activity and even participate in sports. Obesity is influenced by various factors, including genetics, environment, and medical conditions. Assuming someone's activity level based on their appearance can be misleading and hurtful.
Myth: BMI Is Always Accurate
Body mass index (BMI) is widely used, but it has limitations. It doesn't account for muscle mass, bone density, or body composition. Athletes with high muscle mass may have a high BMI without being overweight. Conversely, older adults might have a "normal" BMI despite having less muscle and more fat. Other measurements, like waist circumference, can provide additional insights.
Myth: Just Eat Less to Lose Weight
While cutting calories is part of weight loss, simply eating less isn't always the solution. Sustainable weight loss involves a balanced approach, including a nutritious diet, regular physical activity, stress management, and adequate sleep. For some people, weight loss drugs, surgery, or other medical help may be necessary.
Myth: Exercise Is Better Than Diet for Weight
While exercise offers many health benefits, it's not always sufficient for significant weight loss. Diet plays a major role in weight management. A combination of regular physical activity and a balanced, calorie-controlled diet is typically most effective for weight loss and maintenance.
Myth: Obesity Is Just a Personal Choice
Obesity is far more complex than simply choosing to overeat or not exercise. Genetic factors can influence how our bodies process food and store fat. Environmental factors, such as access to healthy food and safe places to exercise, also play a role. Medical conditions and certain medications can contribute to weight gain as well. It's not just about willpower.
Myth: You Can't Be Fit and Fat
Research shows that it's possible to be overweight or have obesity and still be metabolically healthy. Regular physical activity can improve cardiovascular health, regardless of weight loss. While achieving a healthy weight is beneficial, focusing on overall health and fitness can lead to significant improvements in well-being, even without dramatic weight changes.
Myth: Obesity Is a Character Flaw
Viewing obesity as a personal failing can lead to harmful stigma. Weight stigma can result in stress, anxiety, depression, and avoidance of health care. It's important to approach obesity as a health issue, not a character flaw. Compassion and understanding are important for people dealing with weight challenges.
Myth: Your Genes Determine Your Weight
While genetics play a role in obesity, they don't seal your fate. Having genes that predispose you to weight gain doesn't guarantee obesity. Lifestyle choices can significantly influence your weight, even with a genetic predisposition. A healthy diet and regular exercise can help manage weight, regardless of genetic factors.
Myth: Rapid Weight Loss Is Best
Quick weight loss might seem appealing, but it's often unsustainable and can be unhealthy. Gradual weight loss (about 1-2 pounds per week) is generally more effective for long-term success. This approach allows time for developing healthy habits and is less likely to result in muscle loss or nutritional deficiencies.
Myth: Sleep Doesn't Affect Weight
Many people underestimate the impact of sleep on weight. Lack of sleep can disrupt hormones that regulate hunger and fullness, leading to increased appetite and cravings. Adequate sleep (seven to nine hours per night) is crucial for maintaining a healthy weight. Improving sleep habits can be an important part of weight management.
Myth: Small Changes Don't Make a Difference
Don't underestimate the power of small changes. Even modest improvements in diet and physical activity can have significant health benefits. Start with realistic goals, like adding more vegetables to your meals or taking a daily walk. Over time, these small changes can lead to substantial improvements in health and well-being.
Photo Cred: Sabrina Bracher/Shutterstock
Sources:
Wendy Welsher, owner and founder, My JAMM; Sacramento, CA.
British Journal of Sports Medicine: “Cardiorespiratory fitness, body mass index and mortality: a systematic review and meta-analysis.”
Siddhartha Angadi, PhD, associate professor of exercise physiology, University of Virginia.
JAMA: “Relationship Between Low Cardiorespiratory Fitness and Mortality in Normal-Weight, Overweight, and Obese Men.”
JAMA Network Open: “Trends in the Prevalence of Metabolically Healthy Obesity Among US Adults, 1999-2018.”
Glenn Gaesser, PhD, professor of exercise physiology, College of Health Solutions, Arizona State University.
American Journal of Clinical Nutrition: “Long-term weight-loss maintenance: a meta-analysis of US studies.”
Medicine & Science in Sports & Exercise: “The Health Risks of Obesity Have Been Exaggerated.”
Samuel Klein, MD, chief, division of nutritional science and obesity medicine, Washington University School of Medicine in Saint Louis.
iScience: “Obesity treatment: Weight loss versus increasing fitness and physical activity for reducing health risks.”
New England Journal of Medicine: “Cardiovascular Effects of Intensive Lifestyle Intervention in Type 2 Diabetes.”
News release, National Institutes of Health: “Weight loss does not lower heart disease risk from type 2 diabetes.”
National Cancer Institute: “Obesity and Cancer.”
Progress in Cardiovascular Diseases: “Fitness vs. Fatness on All-Cause Mortality: A Meta-Analysis,” “The Joint Association of Fitness and Fatness on Cardiovascular Disease Mortality: A Meta-Analysis.”
Nutrition Research Reviews: “A review and meta-analysis of the effect of weight loss on all-cause mortality risk.”
Nature Metabolism: “Years of endurance exercise training remodel abdominal subcutaneous adipose tissue in adults with overweight or obesity.”
Jung Han Kim, PhD, professor, department of pharmacology, physiology, and toxicology, Joan C. Edwards School of Medicine, Marshall University.
Naima Moustaid-Moussa, PhD, FTOS, FAHA, professor, nutritional sciences, College of Human Sciences; director, Obesity Research Cluster, Texas Tech University.
Zhaoping Li, MD, PhD, professor of medicine; director, Center for Human Nutrition; chief, division of clinical nutrition, David Geffen School of Medicine, University of California, Los Angeles.
CDC: “Healthy Weight -- Other Factors in Weight Gain,” “How Much Physical Activity Do Adults Need?” “Losing Weight.”
National Heart, Blood, and Lung Institute: “Maintaining a Healthy Weight on the Go.”
Harvard T. H. Chan School of Public Health: “Genes Are Not Destiny.”
Centers for Disease Control and Prevention: “About Adult BMI,” “Body Mass Index: Considerations for Practitioners,” “About Child and Teen BMI.”
Yale Medicine: “Why You Shouldn’t Rely on BMI Alone.”
Nutrition Today: “Body mass index obesity, BMI and health.”
Lancet: “Appropriate body mass index for Asian P\populations and its implications for policy and intervention strategies,” “Appropriate body-mass index for Asian populations and its implications for policy and intervention strategies.”
American Medical Association. “AMA adopts new policy clarifying role of BMI as a measure in medicine.”
Nephrology, Dialysis, Transplantation: “Adolphe Quetelet (1796-1874)--the average man and Indices of obesity.”
Journal of the History of the Behavioral Sciences: “Downsizing obesity: On Ancel Keys, the origins of BMI, and the neglect of excess weight as a health hazard in the United States from the 1950s to 1970s.”
AMA Journal of Ethics: “How the use of BMI fetishizes white embodiment and racializes fat phobia,” “How body mass index compromises care of patients with disabilities.”
International Journal of Epidemiology: “Commentary: Origins and evolution of body mass index (BMI): continuing saga.”
National Heart, Lung, and Blood Institute: “BMI Tools.”
Nutrients: “Effects of malnutrition on the immune system and infection and the role of nutritional strategies regarding improvements in children’s health status: A literature review.”
Scientific Reports: “Underweight and risk of fractures in adults over 40 years using the nationwide claims database.”
Proceedings of the Nutrition Society: “Muscle loss and obesity: the health implications of sarcopenia and sarcopenic obesity.”
Lancet: “Body-mass index and all-cause mortality: individual-participant-data meta-analysis of 239 prospective studies in four continents.”
Social Theory and Health: “In BMI we trust: Reframing body mass index as a measure of health.”
Biology of Sex Difference: “Sex differences in body composition and association with cardiometabolic risk.”
Transfusion Medicine and Hemotherapy: “Overweight: Fat Distribution and Health Risks. Epidemiological Observations: A Review.”
Diabetes Care: “Ethnicity, obesity, and risk of type 2 diabetes in women: a 20-year follow-up study.”
American Journal of Medicine: “Muscle mass index as a predictor of longevity in older adults.”
Cleveland Clinic: “Body Mass Index (BMI).”
Harvard T.H. Chan School of Public Health: “Measuring Obesity.”
NIH News in Health: “Why Do We Get Middle Age Spread?”
Mustafa Hussain, MD, associate professor of surgery, University of Chicago Medicine; director, Center for the Surgical Treatment of Obesity.
Scott Kahan, MD, MPH, director, National Center for Weight and Wellness.
Cleveland Clinic: “Excess Pounds and Heart Disease: How to Calculate Your Risk.”
News release, American Medical Association.
Stat Pearls: “BMI Classification Percentile and Cut Off Points.”
Joslin Diabetes Center: “Diabetes Prevention and Management: a Guide for Asian Americans.”
Obesity Medicine Association: “Where Do We Go From Here: Impact of Racism & Racial Disparities on Obesity Rates in African Americans & Clinical Implications.”
Nutrients: “Come Back Skinfolds, All Is Forgiven: A Narrative Review of the Efficacy of Common Body Composition Methods in Applied Sports Practice.”
JAMA Network Open: “Body Roundness Index and All-Cause Mortality Among US Adults.”
Obesity Medicine Association: “What is the Gold Standard for determining Body Fat?”
Laken Brooks, student and freelance health writer, Florida.
Rebecca Puhl, PhD, professor, Department of Human Development and Family Sciences; deputy director, Rudd Center for Food Policy and Obesity, University of Connecticut.
Sean Phelan, PhD, section head, Social and Behavioral Sciences, Division of Health Care Delivery Research, Kern Center for the Science of Health Care Delivery; associate professor of health services research, Mayo Clinic.
SSM Population Health: “Prevalence and correlates of weight bias internalization in weight management: A multinational study.”
American Journal of Preventive Medicine: “Intersectionality: An Understudied Framework for Addressing Weight Stigma.”
Nature Reviews Endocrinology: “Ending weight bias and the stigma of obesity.”
Obesity: “Implicit and Explicit Weight Bias in a National Sample of 4,732 Medical Students: The Medical Student CHANGES Study.”
Obesity Science & Practice: “A model of weight-based stigma in health care and utilization outcomes: Evidence from the learning health systems network.”
Clinical Diabetes: “Overcoming Weight Bias in the Management of Patients With Diabetes and Obesity.”
American Journal of Public Health: “The Health at Every Size Paradigm and Obesity: Missing Empirical Evidence May Help Push the Reframing Obesity Debate Forward.”
American Heart Association: “Managing Heart Failure Symptoms.”
American Thyroid Association: “Hypothyroidism.”
Cleveland Clinic: “My Diabetes Is Controlled — But Why Am I Gaining Weight?” “Can Polycystic Ovary Syndrome Make You Gain Weight?”
Harvard Medical School Division of Sleep Medicine: “Sleep and Disease Risk.”
HelpGuide.org: “How Excess Weight Affects Your Health.”
Johns Hopkins Medicine: “Metabolic Syndrome.”
Mayo Clinic: “Edema,” “Depression (major depressive disorder),” “Polycystic ovary syndrome (PCOS).”
National Health Service: “Nine medical reasons for putting on weight.”
National Sleep Foundation: “What is Sleep Apnea?” “How Losing Sleep Affects Your Body and Mind.”
NCBI Institute for Quality and Efficiency in Health Care: “Causes and signs of edema.”
National Institute of Diabetes and Digestive and Kidney Diseases: “Cushing's Syndrome.”
North American Menopause Society: “Midlife Weight Gain—Sound Familiar? You’re Not Alone.”
SleepApnea.org: “Your weight matters: obesity and sleep apnea.”
University of Rochester Medical Center: “When Your Weight Gain Is Caused by Medicine.”
Womenshealth.gov: “Menopause.”"