Somewhat related, but when I had issues with my heart, had I blindly followed what my doctor said and not done due diligence, I would have missed a very critical parameter that had to be fixed. The doc (multiple doctors, actually) never suggested the tests, I did my research and found it out, with some push got the test prescribed, lo and behold! That test was positive and was a primary reason for my ill health. Does everyone need to have an understanding of these things? I don't know, but it probably saved me from another heart attack for sure!