Heart palpitations can be triggered by stress, exercise, medication or, rarely, a medical condition. Although heart palpitations can be worrisome, they're usually harmless. In rare cases, heart palpitations can be a symptom of a more serious heart condition, such as an irregular heartbeat (arrhythmia), that may require treatment. Symptoms.
Long-term exposure to radon can lead to lung cancer, the only cancer proven to be associated with inhaling radon. There has been a suggestion of increased risk of leukemia associated with radon exposure in adults and children; however, the evidence is not conclusive.
Decomposition of radioactive materials in rock and soil. Radon: Radon is an odorless, colorless gas that is released by the normal decay of uranium in the soil beneath our homes in our homes. Radon is the second leading cause of lung cancer after smoking, but it is unknown exactly what its role is in leukemia. Occupational exposures such as in mining.