Lifestyle factors and non-communicable disease

5.24 Explain the effect of lifestyle factors on non-communicable diseases at local, national and global levels, including: a exercise and diet on obesity and malnutrition, including BMI and waist : hip calculations, using the BMI equation:

$$\mathrm{BMI}=\frac{\mathrm{mass\ (kg)}}{(\mathrm{height\ (m)})^2}$$