Many nervous disorders can produce symptoms like Tourette's. Extreme stress can resemble Tourette's. Sometimes autism spectrum disorders will result in Tourette's-like characteristics.
Angelman syndrome is a genetic disorder, as is Down syndrome. But they are not the same. Angelman Syndrome involves a deletion of Chromosome 15, whereas people with Down syndrome have an extra copy...
I have a daughter with Downs and I have been told it is VERY PROBABLE...ask your pediatricianThere is research on that subject. It can be found in scholarly journals. The ones that I have read say...