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.
Humans get rabies when they are bitten by infected animals. At first there might not be any symptoms. But weeks, or even years after a bite, rabies can cause pain, fatigue, headaches, fever, and irritability. These are followed by seizures, hallucinations, and paralysis.