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.
The Pew Research Centerâs approach to generational analysis involves tracking the same groups of people on a range of issues, behaviors and characteristics. Setting the bounds of generations is a necessary step for this analysis.