Weekend Doctor: Obesity risk factors, recommendations

By Aline Kamatali, APRN-CNP, FNP-C, MPH, LL.M, LL.B
Certified Nurse Practitioner, Physicians Plus Urgent Care 

Obesity Facts
Obesity is a significant public health challenge in the United States, with more than 40% of adults affected, according to the Centers for Disease Control and Prevention (CDC).

Certain demographics, such as non-Hispanic Black adults and those with lower educational levels, experience higher rates of obesity. This condition is often accompanied by other chronic illnesses like diabetes and heart disease. The economic impact is substantial, with medical costs related to obesity reaching nearly $173 billion in 2019.

Obesity and Risk Factors
According to the World Health Organization (WHO), overweight and obesity are characterized by excessive fat accumulation. Obesity is a chronic disease that poses serious health risks, including diabetes, cardiovascular diseases, and some cancers. The Body Mass Index (BMI) is used to diagnose the conditions of overweight and obesity, with a BMI of 25 or more indicating overweight and a BMI of 30 or more indicating obesity in adults. Different criteria are applied to children and adolescents based on age and gender.

The development of obesity is influenced by a combination of genetic, metabolic, behavioral, environmental, cultural, and socioeconomic factors. Among these, behavioral and environmental influences are particularly important, offering the greatest opportunities for prevention and intervention. For most individuals, the primary drivers of obesity are excessive calorie consumption and insufficient physical activity. Unhealthy eating habits and a sedentary lifestyle are major contributors, leading to an estimated 300,000 deaths annually in the U.S. Promoting a balanced diet and regular physical activity, as recommended by the Dietary Guidelines for Americans, is essential for preventing and managing obesity.

Despite the importance of these guidelines, data from the U.S. Department of Agriculture's 1994-1996 Continuing Survey of Food Intakes by Individuals reveals that only a small percentage of Americans adhere to the Food Guide Pyramid recommendations. Just 3% meet 4 out of 5 guidelines for consuming grains, fruits, vegetables, dairy products, and meats. This highlights the need for significant improvements in dietary practices and calorie control to maintain a healthy weight and overall well-being. Moreover, many U.S. adults fail to meet the federal recommendations for physical activity, which suggest at least 30 minutes of moderate exercise on most days of the week.

Prevention and Lifestyle Recommendations
Prevention is key to managing obesity. Maintaining a healthy weight involves choosing nutritious snacks like fruits, vegetables, yogurt, and nuts instead of sugary or high-calorie options. Staying hydrated by drinking water and engaging in regular physical activity—150 minutes per week for adults—is crucial. Simple actions like taking the stairs, parking farther away, or incorporating short bursts of activity into the day can make a significant difference. Muscle-strengthening exercises, such as weightlifting and resistance training, are also beneficial. Adequate sleep, from seven to nine hours a night, is essential for one’s health. Consistency in sleep patterns, regular exercise, and avoiding caffeine and nicotine before bed can improve sleep quality. 

Quitting smoking, eating a well-balanced diet (reading nutrition labels and reducing portion sizes), controlling cholesterol and blood sugar, managing stress, and practicing relaxation techniques like meditation or yoga are also important strategies for overall health and well-being.