I stopped snowboarding as I started to recognize symptoms that corresponded with radiation sickness when at high altitude ski resorts.

Very high altitude extreme night shift work is a class 2A carcinogen that may result in lifelong disabling sleep disorders, high cholesterol, radiation sickness and heart, lung and brain damage.

High altitude astronomy is a strange world of oxygen starvation, sleep deprivation and radiation sickness.

Never trust a high altitude astronomer.

Unnaturally high radiation levels increases aggression in people

Something that is not effectively communicated to electrical, electronics and wireless workers is that they are working with radiation and may develop radiation sickness.