Is it possible to have gray hair at age 12?

Yes, it is possible to have gray hair at age 12, although it is relatively uncommon. Factors such as genetics, medical conditions, and nutritional deficiencies can contribute to premature graying. Conditions like vitiligo or certain autoimmune disorders may also lead to a loss of pigment in hair. If a child experiences significant graying at such a young age, it's advisable to consult a healthcare professional for evaluation.