Most of the medical stuff looks like testing. The only pharmaceutical I see is metformin. Which part of this is extreme or likely to lead to problems? I reali

Most of the medical stuff looks like testing. The only pharmaceutical I see is metformin. Which part of this is extreme or likely to lead to problems? I realize that even testing is not harmless, but the main problem would be inaccurate test results requiring more tests. And since he is a millionaire who is obsessed with this stuff, I don't think he is too troubled by the time and money spent on testing.