Spinal cord injury research triggering an immune system response. Animal studies with injection of bone marrow stem cells have shown improvement in motor function; however not so in a human trial a year post-injury. More trials are underway. Adipose and umbilical tissue stem cells need further study before human trials can be performed, but two Korean studies were begun to investigate adipose cells in SCI patients. Transplantation of tissues such as olfactory ensheathing cells from the olfactory bulbs has been shown to produce beneficial effects in spinal cord injured rats. Trials have also begun to show success when olfactory ensheathing cells are transplanted into
Human rights in Poland free speech (although rarely enforced), in addition to corruption in the government and society. According to the 2014 "Political Terror Scale" report generated by Mark Gibney of the University of North Carolina at Asheville, Poland was ranked among countries with the highest levels of human rights. Freedom House Research Institute has classified Poland as a country of first class political and civil rights. According to the Global Peace Index, Poland is the 23rd most peaceful country in the world. Human rights in Poland Human rights in Poland are guaranteed by the second chapter of the Constitution. Poland is a party