Astronomers around the world have predicted that 2012 will likely be one of the worst years for solar radiation.  The cycles of the sun’s activity are quite predictable and <a href="https://emanuelkuntzelman.com/conversations/the-most-important-year-in-our-lifetime.html" target="_blank"><strong>2012 is definitely going to be an active one</strong></a>.  This has, in fact, already begun, and on the days following intense solar flares, there are physiological changes on earth.