You have to pay monthly to be in this study?

I have APOE-4 and my grandfather just died from AZ. I am in my 30s so the few studies I have seen I am too young for. But surely there are some out there that want to study over a longer period of time.

So where all do I look for these studies to enroll in?

31 year old male. Mostly healthy and a multi-sport athletic through high school and college. I have APOE4 and my GPA has Alzheimers pretty bad for almost a decade now. I also have PPAR-a polymorphism which makes ketosis and fasting nearly impossible, so I am trying to navigate that with APOE4. Inter...

I also have the PPAR-a polymorphism and it makes me wonder if intermittant fasting or ketosis is worth it. I've had some but not great luck with it in the past.. I was also using lots of saturatedfats at the time. Currently I am just making sure to get 4-5 grams of Fish Oil daily which is supposed t...