The Radiation Threat and What to Do About It (video)

We literally now live in a radioactive world that is getting more so all the time. Fukushima is far from under control and reports show that radiation levels are increasing with time not decreasing. A mysterious radioactive cloud has appeared over Western Europe of unknown source and globally many nuclear power plant accidents have occurred or been narrowly averted. With the insane drive to ignite World War III with an attack on Iran the long avoided spectre of thermo-nuclear war looms over us all. These and other factors have raised the bar in terms of continued healthy survival on Planet Earth. 
What is a body to do in order to  protect oneself and loved ones from the wide spreading radioactivity? 
Some of the answers are found here.