Being overweight or obese is a risk factor for many serious and chronic health conditions including some cancers, heart disease, hypertension, asthma, obstructive sleep apnoea, musculoskeletal / joint problems, chronic kidney disease, dementia, diabetes, gall bladder disease, fertility issues and a reduced life expectancy.
The most common way of measuring obesity is by calculating a person’s Body Mass Index (BMI). This is an estimate only and doesn’t take into account age, ethnicity, gender and body composition. It compares your height and weight and is calculated by dividing your weight (in Kg) by your height (in metres squared). Overweight is defined as a BMI between 25 to <30 and Obese is defined as a BMI >30.
Obesity if subdivided into categories: Class 1: BMI 30 to <35, Class 2: BMI 35 to <40, Class 3: BMI >40