Accidental immortality theory, Granger effect, a theory that all humans can become immortal by constant time traveling eventually stopping the body from getting old. Accidental immortality can cause psychological and emotional problems such as insanity and loneliness. These are the consequences of time traveling and also the person can become an alien to there original environment.
the Granger effect came from the name of Dr. Manfred H. Granger who came up with the theory before disappearing and never to be heard from again. Today the theory lives on in his textbooks that were published in 1925 by Dr. James W. Fields. The legacy of the theory was challenged by the United States Supreme Court of the being taught in school but now its tall all over the world as the theory know as the Granger effect.