Short-sightedness. Someone with short-sightedness can see near objects clearly, but cannot focus properly on distant objects. This is caused by the eyeball being elongated, so that the distance between the lens and the retina is too great.
Radon Symptoms. What are the symptoms of radon poisoning? Since radon is the #2 cause of lung cancer in the U.S., respiratory ailments are the most likely signs of radon-related distress. A persistent cough, hoarseness, breathing difficulties, and recurring respiratory infections are all possible indications of radon poisoning.
But long term exposure can cause lung cancer, which starts with coughing, coughing up blood, lung pain, breath shortness and more. +1 vote! Radon exposure has many of the characteristics of lung cancer such as a prolonged cough that doesn't get better, coughing up blood, chest pain and wheezing. Prolonged high radon exposure can actually lead to lung cancer.