Pregnant women with hypothyroxinemia in early gestation have nearly a 4-fold increased risk of having a child with autism, new research suggests.
"We found a consistent association between severe, early gestation maternal hypothyroxinemia and autistic symptoms in offspring," investigators from Houston Methodist Neurological Institute in Texas write.
"It is increasingly apparent to us that autism is caused by environmental factors in most cases, not by genetics. That gives me hope that prevention is possible," lead investigator Gustavo Román, MD, said in a statement.
The potential impact of exposure to low levels of mercury on the developing brain -- specifically by women consuming fish during pregnancy -- has long been the source of concern and some have argued that the chemical may be responsible for...
Those in 20th century philosophy, psychology, and neuroscience who have discussed the nature of skilled action have, for the most part, accepted the view that being skilled at an activity is independent of knowing facts about that activity, i.e.
I forbindelse med det journalistiske prosjektet vårt «De som faller igjennom», har vi spurt noen tilfeldig valgte skoleeiere og rektorer i Troms om hvorfor det er så mange elever som får spesialundervisning.