Sever illness like typhoid too can start greying. Other factors which may contribute to it are are the excessive intake of tea, coffee and alcohol; fried and oily foods; excessive spices; sour and acidic foods. Deficiency of nutrients especially copper can reduce the production of melanin. Eat foods rich in iodine such as banana, carrots and fish. Drinking buttermilk with 2 teaspoons each of yeast and wheat germ will prevent and cure premature greying of hair. Rub Indian gooseberry (Amla) mixed in coconut oil into the scalp regularly. It can show wonderful results, your gray hair will turn black. Boil some dried amla pieces in coconut oil till it turns black. Apply this oil to prevent hair greying.
