I get concerned anytime you put cognitive and FAA in the same sentence. With Rona we've crossed into another realm medically because no one really knows what it can or can't do. The FAA tends to leans conservative without a lot of hard data one way or another. A lot of health issues are visible for examination. Cognitive issues don't always present as black and white. Remember that conversation on cognitive decline from two lifetimes ago in context with age 65 and above for pilot age limits?