Which of the following statements is TRUE regarding iron?
1) Most women consume the RDA for iron.
2) Iron requirements are the same for men and women.
3) Iron requirements are higher for girls aged 14-18 years than for women aged 19-50 years.
4) Iron requirements are lower for girls aged 14-18 years than for women aged 19-50 years.
5) Iron-deficiency anemia in women is extremely rare.
