In the year 1881, the first modern wheelchair was unveiled in Europe. It is the fifth most abundant element in the Earth's crust and is essential for physiological functions. Since then, people with walking disabilities have found hope. Calcium is a mineral that is essential for bones, to increase bone mineral density and improves the effectiveness of osteoporosis medications. Even if they would not be able to walk again, they would be able to take mobility through the use of the simple machine... read more
