https://www.youtube.com/watch?v=Phz-y0j8k1M YouTube Description: 50% of people diagnosed with ALS will live about 4 years. Stephen Hawking has lived 13 times that while continuing to lead science. How? Read More: What Is ALS? http://www.alsa.org/about-als/what-is... "ALS, or amyotrophic lateral sclerosis, is a progressive neurodegenerative disease that affects nerve cells in the brain and the spinal cord. A-myo-trophic comes from the Greek language. "A" means no. "Myo" refers to muscle, and "Trophic" means nourishment - "No muscle nourishment." When a muscle has no nourishment, it "atrophies" or wastes away. "Lateral" identifies the areas in a person's spinal cord where portions of the nerve cells that signal and control the muscles are located. As this area degenerates it leads to scarring or hardening ("sclerosis") in the region." These Are The Discoveries That Made Stephen Hawking Famous http://www.bbc.com/earth/story/201601... "Stephen Hawking is probably the most famous genius of the modern age. But what exactly is he famous for - apart from his astonishing resilience to an incapacitating disease, that instantly-recognizable retro-robotic voice, and his walk-on roles on The Simpsons and Star Trek?" How Has Stephen Hawking Lived Past 70 WIth ALS? http://www.scientificamerican.com/art... "The famous theoretical physicist has helped to bring his ideas about black holes and quantum gravity to a broad public audience. For much of his time in the public eye, though, he has been confined to a wheelchair by a form of the motor-neuron disease amyotrophic lateral sclerosis (ALS). And since 1985 he has had to speak through his trademark computer system-which he operates with his cheek-and have around-the-clock care."

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