How redefining 'normal' iron levels could help women's health

Doctors call iron deficiency a largely hidden problem that often goes undiagnosed. Now there's a move to raise the bar on on what a "normal" level of iron is to catch and treat iron deficiency earlier.

How redefining 'normal' iron levels could help women's health
A laboratory technician tests donor blood.

Doctors call iron deficiency a largely hidden problem that often goes undiagnosed. Now there's a move to raise the bar on on what a "normal" level of iron is to catch and treat iron deficiency earlier.