Doctors reveal how low ferritin levels in the body can cause dark under-eye circles, pale skin and fatigue even as they warn against self-treating an iron deficiency.
https://www.foxnews.com/health/skin-condition-under-eyes-goes-viral-doctors-warn-could-signal-hidden-health-issue
https://www.foxnews.com/health/skin-condition-under-eyes-goes-viral-doctors-warn-could-signal-hidden-health-issue