http://thenewbiology.com/osteoporosis <br /> <br />Michael J. Fox, known for "Back to the Future" movies, has Parkinson's Disease and is an active spokesperson on the illness. <br /> <br />To know more about this, you can purchase "The Osteoporosis Revolution" on Amazon.com or go to this link: <br />https://www.amazon.com/Osteoporosis-Revolution-Radical-Yourself-Naturally/dp/1785550039/ref=sr_1_3/155-9106479-2986750?ie=UTF8&qid=1474956094&sr=8-3&keywords=the+osteoporosis+revolution