Greying hair when you haven\'t even crossed the 30s can be quite a freakish experience. Read on to prevent them from getting greyer. It is extrememly puting off to cover up your greys while your friends are flaunting their crowning glory in trendy colours. Hair can grey prematurely due to heredity, stress (everyone seems to be afflicted by stress these days), and also illness or deficiency of nutrients that reduce the production of melanin. Although you can\'t stop hair from greying prematurely, what you can do is prevent them from getting greyer. Here\'s how: Kill the stress Easier said than done but if it\'s stress that has brought on your premature greying, then you\'ll just have to figure out a way to beat it. Relax, meditate or exercise to find your way to unwind. Ribbed Gourd It enriches the roots of the hair as well as restoring pigment. Dry the vegetable pieces. Soak the dried vegetable in coconut oil for three days and then boil the concoction until there\'s a black residue left. Massage your scalp with it and leave it on for a little while before rinsing hair. Eat up Make sure to include foods rich in protein, iron, minerals, iodine and vitamins A and B in your diet.