polonium-210

Tobacco companies have covered up for 40 years the fact that cigarette smoke contains a dangerous radioactive substance that exposes heavy smokers to the radiation equivalent of having 300 chest X-rays a year. Internal company records reveal that cigarette manufacturers knew that tobacco contained polonium-210 but avoided drawing public attention to the fact for fear of … [Read more...] about Big Tobacco Companies Covered Up Radiation Dangers From Smoking