The premature graying is largely genetic. If your parents or grandparents grayed at an early age, you probably will too.
Graying of hair can also rapidly increase due to emotional stress.
Hormonal Imbalance and Thyroid disorders like Hypothyroidism and Hyperthyroidism wherein the pigment activity from the cell reduces can lead to graying.
In this condition, there is graying in a bunch of hair at one time. Several such bunches appear one after another, and can spread quickly to other hair on the body.
Pernicious anaemia or Vitamin B12 deficiency
Pernicious anaemia or Vitamin B12 deficiency is one of the common causes of premature graying in children. In such cases, apart from graying there are associated symptoms like fatigue, shortness of breath and in some cases chest pain.
commonly known as white patches or leucoderma can also result in loss of hair pigment.
Prematurely gray hair
Prematurely gray hair is often one of the earliest signs of Werner’s syndrome, a rare autosomal recessive disorder, commonly found in the age group of 8-20 years.
Recent studies have also linked smoking to early graying of hair.
How is Premature Graying treated?
Most cases are irreversible and therefore the best thing to do is to slow it down or control it in the early stage. Identifying and treating underlying medical conditions and correcting dietary deficiencies can help to control the progression of the graying.