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Weight Control

Source: MedlinePlus Health Topics, U.S. National Library of Medicine

Last synced 8/8/2026Status: primary verified

Why is weight control important? If you are struggling with your weight, you are not alone. In the United States, more than 70 percent of adults are overweight or have obesity . Having this extra weight raises your risk for many health conditions, such as type 2 diabetes , heart disease , kidney disease , and certain cancers. Reaching and staying at a healthy weight can be challenging. But having a healthy lifestyle, including healthy eating patterns and regular physical activity, can help you lose weight. It can also lower your chance of developing weight-related health conditions. What factors affect weight and health? You gain weight when you take in more calories (through food and drinks) than you use up from physical activity and daily living. But there are many different factors that can affect weight gain, such as: The world around you. Your home, community, and workplace all may affect how you make daily lifestyle choices. For example: It is often easier to find food and beverages high in calories, sugar, and fat . For instance, vending machines, cafeterias, and special events may not offer healthy, lower calorie options. Less healthy foods may be cheaper than healthier foods. Many people are getting less physical activity because they are spending more time using smartphones and other devices. Families. Overweight and obesity tend to run in families. This suggests that genes may play a role in weight gain. Families may also share eating and lifestyle habits. For example, some families may often have foods and drinks that are high in calories, sugar, and fat. And some families may tend to be less active and spend more time doing things like sitting and watching TV or using computers. Not enough sleep. People who don't get enough sleep may eat more calories and snack more. Emotions. Some people eat when they feel bored, sad, or stressed, even if they are not hungry. Medicines and health conditions. Taking certain medicines, such as steroids and certain antide

Educational only
This information is for general education and is not medical advice. Always talk to a licensed U.S. clinician about your situation, medications, or treatment decisions.