India, March 3 -- Doctors at the Gorakhpur All India Institute of Medical Sciences (AIIMS) are a worried lot. The number of hydroa vacciniforme patients is increasing each passing day. This skin disease is caused by exposure to strong sun. Usually, it is reported from people living in the desert where the sun is harsh all year round. Gorakhpur is in the terai (Himalayan foothills) of Uttar Pradesh (UP). The signal is clear, human skin is progressively unable to bear the extreme heat of the sun....