Unit 1: Obesity
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What is obesity a major risk factor for
CVD and type 2 diabetes
What is obesity characterised as
Excess body fat in relation to lean body tissue
What is BMI
Body mass index
How do you work out BMI
BMI= body mass ____________ Hight2 (Squared)
What BMI is considered obese
Greater than 30
How can BMI be wrong
It can wrongly classify muscular people as obese as it can’t tell the difference between body fat and muscle tissue
How is obesity caused
By a high fat and sugar diet and a lack of exercise
What can exercise do
• Increases energy expenditure and preserves lean tissue • can also reduce risk factors for CVD by keeping weight under control, minimising stress, reducing hypertension and improving HDL blood lipid profiles