This box is the âfeeder boxâ â where the worms will live and feed. Half fill the feeder box with the worm bedding. Make sure your bedding is moist but not wet. If you are using dry materials like straw or shredded paper, wet them first and then squeeze out any excess water.
Causes. There is no known single cause for autism spectrum disorder, but it is generally accepted that it is caused by abnormalities in brain structure or function. Brain scans show differences in the shape and structure of the brain in children with autism compared to in neurotypical children.
The myth began after a small study published in 1998 in the Lancet by Andrew Wakefield and colleagues at Royal Free Hospital and School of Medicine in London suggested that childhood vaccines might cause some cases of autism.nn MacDonald, Contributor, Harvard Health. For years now, both individual researchers and respected scientific organizations such as the Institute of Medicine have tried to refute a persistent myth â that childhood vaccines cause autism.