He said in an earlier interview to Times News Network that drugs didn't help him as much as sheer grit. “I began arguing with the concept of the voices. And ultimately I began rejecting them and deciding not to listen”.
John has a son who is also a mathematician and suffers from schizophrenia. PBS has produced a TV film based on his life, called A Brilliant Madness. Ron Howard's film A Beautiful Mind too is loosely based on John Nash's biography.
At the age of 75 years with his razor sharp mind the mathematician is working on a three player game strategy where the players don't know about others strategy and which could have application in multilateral negotiations.