What Causes Autism? A Controversial New Theory
Autism is a baffling disease that affects 500,000 children in the United States alone. Strangely enough, the incidence of autism has skyrocketed since the 1980s when only 1 in 10,000 children were diagnosed with the disorder, compared to 1 in 175 today. Scientists have yet to discover for certain what causes the disease, although there are several theories being discussed. The most controversial theory contends that mercury present in childhood vaccines may be one of the leading factors contributing to the development of the condition. It is known that people exposed to methyl mercury, which is found in thermometers and polluted environments, have incurred damage due to contact. A mercury spill in Japan, for example, tainted fish in the area and caused those who ate the poisoned fish to develop Minimata disease. Another clue pointing to the dangerous effects of mercury exposure comes from an incident that occurred 100 years ago in the United States. Pink Disease (Acrodynia) was a myste...