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Increasing the previous federal estimate of 1 in 150, the new data suggest that 1% of children now exhibit some symptoms of an autism spectrum disorder (ASD), a collection of neurological conditions whose symptoms may range from mild social impairment to more serious communication, language and cognitive deficits. The estimate also represents a stunning 57% increase in prevalence since 2002, when health officials first began a nationwide effort to quantify the risk of autism in childhood. (See the top 10 medical breakthroughs...
Experts note that the CDC database - the Autism and Developmental Disabilities Monitoring Network (ADDM) - is the closest thing to an ideal measure of autism's prevalence. The data are culled from assessments made by health or developmental professionals, including pediatricians, psychologists and language and speech pathologists. In previous evaluations, autism estimates were based on less reliable parental reporting of symptoms or diagnoses...
...Previous studies looking at a narrower population of youngsters have suggested that as much as 40% of the rise in autism cases might be explained by broader diagnostic definitions and by heightened awareness of the condition. But that still leaves 60% of the increase unaccounted for. "Most scientists believe there is something more than just awareness and a broadening definition that is responsible for the rise," says Dr. Gary Goldstein, president of the Kennedy Krieger Institute in Baltimore. "We are seeing some fraction of the increase that is probably due to more cases of autism...
While the Obama administration has shown drastic improvement when compared with the country’s previous stance on climate negotiations, the U.S. simply must go further. Considering the conference’s imminent end, failing to act now could lead to a disappointing—and unacceptable—outcome...
...both houses of Parliament with a two-thirds majority." Members of the ruling Pakistan People's Party say their leader is the object of a vicious media campaign intent on ousting him because of his pro-U.S. stance. Zardari spent more than 11 years behind bars under previous regimes on charges that he denies and maintains are politically motivated...