I carry four (as far as I know) rare and low frequency homozygous minor allele SNPs in RELN:
rs39335(G;G)
rs3914132(C;C)
rs7696175(C;C)
rs4298437(T;T)
And guess what? I have Bipolar Disorder Schizoaffective type and my therapists keep telling me I have Aspergers.
This gene seems to bind to zinc, and a deficiency of zinc is also found in Alzheimer's.
https://www.jneurosci.org/content/41/13/3025#:~:text=Inflamm....
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3010690/
https://alzres.biomedcentral.com/articles/10.1186/s13195-021...
Zinc has helped me in many ways.
Since the mutation is a GAIN OF FUNCTION mutation, more zinc means less risk of Alzheimer's.