The Common Deficiency Most Women Never Know They Have
For millions of women, fatigue, brain fog and feeling “off” is often dismissed as stress, depression or aging. New guidance suggests low ferritin could be the overlooked culprit
Jul 6, 2026
Teresa Carr is an award-winning investigative journalist based in Golden, Colorado. An alumna of the Knight Science Journalism Fellowship program at the Massachusetts Institute of Technology, Carr is a former staffer at Consumer Reports and has bylines in numerous other publications, including Undark, The New York Times, The Guardian, Sapiens, Medscape, Texas Monthly, and 5280, among others.
For millions of women, fatigue, brain fog and feeling “off” is often dismissed as stress, depression or aging. New guidance suggests low ferritin could be the overlooked culprit
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Feb 6, 2025We think it’s invaluable — and hope you agree. Our work is made possible by donations from readers like you.
We think it’s invaluable — and hope you agree. Our journalism is made possible by donations from readers like you.
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