Which of the following statements about calcium is/are CORRECT?
Select one:
a. The DRI for calcium is higher for adolescents and older adults than young and middle-aged adults.
b. Osteoporosis is the only concern associated with marginal levels of intake of calcium.
c. A level of intake above the UL is associated with a decreased risk of kidney stones.
d. A and C are CORRECT
e. All of the above are CORRECT
