Why weight changes
Obesity is long term, with influences including genes, appetite, sleep, medicines, and the environment.
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Obesity is a long-term health condition with several contributing factors. Genes, appetite, sleep, medicines, and the surrounding environment influence weight alongside food and activity. Understanding these factors helps identify useful support and keeps care focused on health rather than blame.
What measurements can tell you
BMI and waist size help assessment, but need interpretation alongside your health.
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Body mass index uses height and weight to estimate a weight category. It does not directly measure body fat or distinguish it from muscle. Waist size adds useful information. Your clinician interprets these measurements alongside your age, body build, and health.
Health beyond the scale
Losing some excess weight may improve glucose, blood pressure, joints, and sleep before reaching a final goal.
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Obesity can increase the likelihood of type 2 diabetes, high blood pressure, fatty liver disease, joint problems, and breathing difficulties during sleep. The effects differ between people. Losing some excess weight may improve health before a final weight goal is reached.