Gray hair can be caused by many reasons. Generally, human hair turns gray because of reduction in the amount of melanin your body produces. Besides, mental stress, heredity, illness, vitamin and nutritional deficiencies would also make your hair grow gray fast. But there are ways for you to reduce the gray hair and prevent you hair from turning gray. Keep a healthy diet to increase intake of protein and iron, minerals and vitamins A and B such as meat, fat, soy, eggs, dried apricots, beans, oysters, eggs and sunflower seeds. Make a paste of yogurt, henna powder and fenugreek seeds and paste it to your gray hair. It