Hair Problem

Patient: Hello Sir, Am just 25 yr’s old. wt: 62.5 KG, ht: 5.5′, Sex:M Am healthy bust since few yers my hair started becomming white.. till head hair that okay but from few months my face, chest and even eyebrow hair are turnign white … it feels me under-tension and most time am feeling bad to hide this have to save daily … Please suggest and advice me if am suffering from any deasease also recommend me solution to turn my life back … Please help… Please help …. Am now hopeless

Doctor: