There's Life After Radiation for Brain Cells - 08/12/2013. There's Life After Radiation for Brain Cells. Scientists have long believed that healthy brain cells, once damaged by radiation designed to kill brain tumors, cannot regenerate.
Pew Research Center. The Pew Research Center is a nonpartisan American fact tank, which is based in Washington, D.C. It provides information on social issues, public opinion, and demographic trends shaping the United States and the world.
Pew Research Center uses an array of surveys, census reports, population registers and other data sources to estimate numbers of Muslims and other religious groups around the world, the goal being to count all groups and people who self-identify with a particular religion. The figures presented here are as of 2010.