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Radon: Protect Your Health at Home
10 Apr 2018 -  Radon is a radioactive gas that has no colour, smell or taste. It is produced in the ground from uranium and diffuses into the atmosphere. High concentrations of radon may build up in enclosed spaces such as buildings and long-term exposure can increase the risk of lung cancer.

Video: Svetlomir Slavchev
Story: Nanako Kogiku