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An obese patient is 20% or more heavier than their ideal weight.
body weight is an important public health problem because it is associated with:
type II diabetes mellitus
- hypertension and stroke
Obesity is graded according to the Body Mass Index
Healthy weight 18.5-24.9
Obesity I 30-34.9
- Obesity III 40 or more
The proportion of obese adults in England has been stated as (2):
benefits of modest (10%) weight loss was previously summarised by SIGN- although
the precise benefits will vary in individuals depending on initial body weight,
current health and degree of weight loss)
reduction in premature death
- 30% reduction in the risk of dying from
- 40% reduction in the risk of dying from
- Blood pressure
- 10mmHg decrease in systolic blood
- 20mmHg decrease in diastolic blood pressure
Diabetes 50% fall in fasting blood glucose levels
fall in total cholesterol 15% fall in LDL cholesterol
- 8% increase in
- NICE (November 2014). Obesity
- PHE (January 2021). Patterns and Trends in Adult Excess Weight.
- SIGN. Obesity in Scotland. Integrating prevention with weight management.
Edinburgh: Royal College of Physicians, Edinburgh, 1996.
Last edited 01/2021 and last reviewed 01/2021