My son has one white hair strand on his head. he is 1 year 3 months old. what's the reason for white hair at early age.

A. Vitamin deficiency If your child chronically does not get enough of certain vitamins and minerals, it can lead to premature graying. These include: Vitamin B12. This powerhouse vitamin helps keep your blood healthy and can prevent anemia, per the National Institutes of Health (NIH) .