tubes that carry blood to and from all parts of the body. The three main types of blood vessels are arteries, veins and capillaries.

a measure used to evaluate body weight relative to a person's height. BMI is used to find out if a person is underweight, normal weight, overweight or obese.

an extra amount of insulin taken to cover an expected rise in blood glucose, often related to a meal or snack.

a former term for Type 2 diabetes or impaired glucose tolerance.

a term used when a person's blood glucose level moves often from low to high and from high to low.

a bulge on the first joint of the big toe, caused by the swelling of a fluid sac under the skin. This spot can become red, sore and infected.