Paa, is a movie of a 12 year old progeria patient which is played by Amitabh Bachchan. He had to stick on several pieces of specially crafted clay to get the look.”The face that you see is the result of deep research. Kids affected by this problem lose all their hair, become bald and their veins begin to show prominently on their heads, which enlarge to a size beyond normal. Their teeth and eyes suffer also…,” posted Amitabh.