How old are you?

Are you male or female?

Are you pregnant or breastfeeding?

Do you smoke?

Do you drink alcohol to excess on a regular basis?

Do you exercise regularly?

Do you know how much calcium you need each day?

By what age do most people reach 80 per cent of their bone mass?

Do you know how much calcium is in a glass of skim milk (not the calcium enriched sort)?

How much calcium is in a glass of calcium-fortified soy milk?

Which of these foods is richest in calcium?

Which of these vitamins helps your body absorb calcium?

Who is most at risk of developing osteoporosis?