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.
When the rabies virus reaches the brain, it multiplies quickly and rabies symptoms begin. Over the next week, the rabies virus causes encephalitis and ultimately death. Early rabies symptoms in humans are similar to flu symptoms. These early symptoms can include: 1  Fever. 2  Headache. 3  General tiredness.  Discomfort, numbness, or pain at the site of the bite.