Thawing permafrost due to global warming could release ancient pathogens. Click to read more. Ancient pathogens, dating back thousands or millions of years ago, stuck in ice and coming back to life have been a subject of science fiction for a long time.
New study have revealed that thawing of permafrost as a result of climate change, exposes Arctic populations to high concentrations of radon which can cause lung cancer. Permafrost has historically been acting as a barrier that prevents the dangers of radon gas.