Mathematics (from Greek Î¼Î¬Î¸Î·Î¼Î± mathÄma, âmÃ¡thÄma, knowledge, studyâ) learning is the study of topics such as (quantity), numbers, structure, space and. Change there is a range of views among mathematicians and philosophers as to the exact scope and definition of. mathematics
1 The Obesity Guidelines focus on what interventions are effective for weight loss, and how this can best be managed in a clinical context.  The Obesity and Dietary Guidelines both recommend healthy eating, physical activity and behavioural modification to address overweight and obesity.
Obesity is frequently subdivided into categories: 1  Class 1: BMI of 30 to < 35. 2  Class 2: BMI of 35 to < 40. 3  Class 3: BMI of 40 or higher. Class 3 obesity is sometimes categorized as âextremeâ or âsevereâ obesity. Note: At an individual level, BMI can be used as a screening tool but is not diagnostic of the body fatness or the health of an individual.