Blood sugar test - blood. A blood glucose test measures the amount of a sugar called glucose in a sample of your blood. Glucose is a major source of energy for most cells of the body, including brain cells. Carbohydrates are found in fruit, cereal, bread, pasta, and rice. They are quickly turned into glucose in your body. This raises your blood glucose level. Hormones made in the body help control blood glucose level.
African American Girls Get Earlier Periods. This is an interesting factor that hasn't been fully explained: Race does seem to have a genuine impact on your menarche time. The difference isn't great â in the U.S., the average age of menarche is 12.88 for white girls and 12.16 for African American girls.
Girls are 12-13 years old, on average, when they get their first menstrual period (menarche), the committees note. That average age hasn't changed much in 30 years, though black girls go through menarche five months earlier than they did 30 years ago, according to the committees.