 Radiation levels have more than doubled in the last 60 years in the northern hemisphere from all of the nuclear testing and radiological accidents. Radioactive contamination is now in most of the food supply. There's only two ways to avoid this. Move south of the equator or properly protect your thyroid with nascent iodine. Looking to protect my family, I've done deep research. Nascent iodine is the purest, cleanest, absolute best form of iodine to protect yourself and your family.