You don’t have to have a reason to feel good — you’re alive; you can feel good for no reason at all!
Now again, all of this may sound a bit overwhelming, but in reality, you could do all these tests — the CCTA test for heart disease, the MRI and GRAIL test for cancer, and the blood tests for metals and hormones in a few hours.
As the saying goes, if what you learn leads to knowledge, you become a fool; but if what you learn leads to action, you can become wealthy.