on the side note of inflammation in the brain, you can stop that from happening by removing the substances that cause it (adjuvants and pathogens). For aluminum for instance, it's important to regularly take silica rich mineral water (products: Spritzer and Fiji) https://www.silicawaters.com/
To combat inflammation, compounds with anti-inflammatory properties help, especially those that suppress inflammatory cytokine cascade by inhibiting glial cell production of the cytokines interferon or interleukin (interleukin has been linked to autism, look on sciencedirect with the two terms: interleukin and autism)
CBD is one of such compounds that suppresses that inflammation
https://cbdtesters.co/2017/09/28/cbd-can-treat-symptoms-of-asia-syndrome-fact-or-fiction/
