it is found in tobacco that is grown using fertilizers which contain radium. the radium decays into a gas, rises and sticks to the plant and then decays into polonium. im pretty sure that was their theory.
Tobacco farmers use fertilizer to help their crops grow. These fertilizers contain a naturally-occurring radionuclide, radium. Radium radioactively decays to release radon gas, which then rises from the soil around the plants. As the plant grows, the radon from fertilizer, along with naturally-occurring radon in surrounding soil and rocks, cling to the sticky hairs on the bottom of tobacco leaves. Radon later decays into the radioactive elements lead-210 and polonium-210. Rain does not wash them away. Polonium-210 is an alpha emitter and carries the most risk.
I don't think they concluded that he was poisoned. it's for sure possible but the official line is the polonium came from a lifetime of heavy smoking.
was there more than one autopsy?
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it is found in tobacco that is grown using fertilizers which contain radium. the radium decays into a gas, rises and sticks to the plant and then decays into polonium. im pretty sure that was their theory.
don't think they put polonium in cigarettes, but who knows?
This is from the epa
huh. That sure does suck.