What is the cause of Williams syndrome?
Also, what are the signs and symptoms of Williams syndrome?
- specific facial features like a wide mouth, small upturned nose, widely spaced teeth, and full lips.
- colic or feeding problems.
- attention deficit hyperactivity disorder (ADHD)
- learning disorders.
- inward bend of pinky finger.
- specific phobias.
- short stature.
- speech delays.
Subsequently, question is, why are people with Williams syndrome friendly? Williams Syndrome is caused by the deletion of roughly 25 genes on chromosome 7. The deletion can occur randomly during the production of a sperm or egg cell. Why the deletion of genes causes such friendliness and social disinhibition is not well understood.
Beside this, how common is Williams syndrome?
Williams syndrome is a rare disorder that affects males and females in equal numbers and infants of any race may be affected. The prevalence of this disorder is approximately one in 10,000-20,000 births in the United States.
What is the life expectancy of someone with Williams syndrome?
Some people with Williams syndrome may have a reduced life expectancy due to complications of the disease (such as cardiovascular involvement). No studies specifically exist on life expectancy, although individuals have been reported to live into their 60s.