I just did a brief search and found this article related to the increased permeability of the blood brain barrier with aging. https://immunityageing.biomedcent

I just did a brief search and found this article related to the increased permeability of the blood brain barrier with aging. https://immunityageing.biomedcentral.com/articles/10.1186/s12979-015-0029-9 https://immunityageing.biomedcentral.com/articles/10.1186/s1... Research into chemical agents that induce or inhibit this would also be of interest.