41.   Didronel inhibits this breakdown, which would allow more calcium to remain in the bone and reduce the high blood calcium level.

42.   Doctors will also be advised to check patient blood levels more frequently for elevated liver enzymes.

43.   Do not smoke before or during the flight since smoking decreases the blood oxygen level.

44.   Dr. John Vecchione tests the blood oxygen levels of his patient, Awadalla Ireibi at Goldwater Rehabilitation Hospital in February.

45.   Drug cocktail users who develop high blood levels of cholesterol and triglycerides may be advised to take additional drugs to lower their risk of a heart attack.

46.   During pregnancy and the second half of the menstrual cycle, blood levels of the hormone progesterone soar.

47.   Edelman, a diabetic who has worn the GlucoWatch several times, says continuous monitoring revealed that his blood levels fell dangerously low at night while he slept.

48.   Drinking alcohol imposes an additional burden on the liver, which can affect blood levels of both alcohol and medication.

49.   Estrogen benefits the heart by relaxing blood vessels and boosting blood levels of so-called good cholesterol.

50.   Factors that influence blood lipid levels include heredity, age, sex, diet, body weight, physical activity and smoking.