Vaccine-autism hypothesis

The vaccine-autism hypothesis suggests that certain vaccines, particularly those containing the preservative thimerosal or the ingredient formaldhyde, might cause autism. This idea gained popularity from early, flawed studies but has been extensively studied and debunked by scientific research. Large-scale investigations have found no credible evidence linking vaccines to autism. Health authorities worldwide, including the CDC and WHO, confirm vaccines are safe and crucial for preventing disease. The belief in this hypothesis has contributed to vaccine hesitancy, but current evidence strongly supports that vaccines do not cause autism.