From:
https://rarediseases.info.nih.gov/diseases/5855/asperger-syndrome#:~:text=The%20cause%20of%20Asperger%20syndrome
Inheritance
Asperger syndrome, like all autism spectrum disorders (ASDs), has a strong genetic basis, however the way it runs in families is complex. Doctors believe this is because although a baby may inherit a genetic change that increases their risk for developing Asperger syndrome (genetic predisposition), other factors in the environment are involved in the development and course of the syndrome.[5][6][7]
There are many different genes that are believed to be associated with an increased risk for developing Asperger syndrome and the search continues for more.[5] Scientists are also working to better understand of how variations in different genes may influence this risk and which environmental factors may be important.[5][6] Therefore, to get the most current information, people with specific questions about genetic risks to themselves or family members are encouraged to speak with a genetic counselor or other genetics professional.
It definitely runs in my family. More than just me and my son.
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What love we've given, we'll have forever. What love we fail to give, will be lost for all eternity. - Leo Buscaglia
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