At the age of 21, he was diagnosed with scoliosis and was told that he would never be able to dance. He was also told that he would never be able to do all the things a Bollywood hero was required to do. To top it, he had a stammering problem. But Hrithik fought hard. He overcame his stammering problem with regular speech therapy, read up on all material he could find on scoliosis and finally built up his physique and stamina to the extent that he was considered to be one of the fittest actors around by the time of his debut.