Internet suggests these blood tests can ‘save your hair’; here’s what a dermatologist says

What Happened

Internet claims blood tests can prevent hair loss by identifying internal deficiencies. A dermatologist confirms hair health links to internal body conditions, stating tests for iron, vitamins, and hormones help identify hidden causes like deficiencies and hormonal imbalances. Iron deficiency particularly impacts hair by reducing oxygen to follicles through red blood cells.

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