Medical Discovery News
Based on statistics, you probably know someone with a form of autism. Autism rates in America grew by 30 percent from 2008-2010 and have doubled since 2000. Now, one in 68 8-year-olds are diagnosed with autism. On average, one child in each grade of every elementary school has autism. What is responsible for the remarkable rise of this disease?
Perhaps we have gotten better at diagnosing it. Now, researchers are working to establish how autism occurs, even before birth, and how to diagnose it sooner.Autism is actually not a single disease but a spectrum of disorders. It is clearly related to infant development and is caused by differences in the brain. There are multiple causes of autism, but most are not yet known. One possible connection is that people tend to conceive later. The age at which women give birth has been increasing for many years and is linked to higher chances of autism.
Diagnosis of autism spectrum disorders relies on observing differences in a person’s communication, social skills and typical behavior. Roughly one-third of those with autism are also diagnosed with intellectual deficits, but the remaining two-thirds have normal or above average intelligence. Most are diagnosed at 4 years old but some are identified by age 2. This is critical because research has repeatedly shown that the earlier therapy starts, the more likely it will result in substantial improvement. Continue reading