ADHD, Autism, and OCD.
https://www.additudemag.com/autism-adhd-and-ocd-may-share-brain-impairments/
ADHD is believed to be a genetic trait that is passed down
https://www.cdc.gov/ncbddd/adhd/facts.html
OCD is believed to be a genetic trait that is passed down
https://iocdf.org/about-ocd/what-causes-ocd/
Autism has similar brain abnormalities as to the other 2 disorders. And there are several links pointing to genetic trait as the cause.
https://www.spectrumnews.org/news/whole-genome-study-lifts-veil-on-inheritance-patterns-in-autism/
Everybody gets a vaccine yet less than 1% of the population has autism
Genius level reasoning