THIS MONTH
✢ Viagra and eyesight
✢ Healthy weight
✢ Power of nostalgia
Q I know you can tell if you are a healthy weight by calculating your body mass index (BMI), but I have also been told it’s good to measure your waist. Which is the most accurate?
A That’s a great question! And it’s complicated. Neither are perfect nor calculate your health, which is, in itself, complicated to define.
BMI is a ratio of your height and weight, and is calculated by dividing your weight in kilos by your height in metres squared. A BMI of about 20-25 is considered ‘healthy’, but this measurement isn’t ideal, as it doesn’t take body fat into