Well, if they do i'd be very surprised, and since blood tests in fact do give different results when people are not well,
AI Overview Blood tests can be life-saving by enabling early detection of diseases like cancer, diabetes, and heart conditions, allowing for timely intervention and treatment. They can also reveal nutrient deficiencies and help monitor the effectiveness of treatments. In some cases, like with Nella Pignatelli, a simple blood test identified leukemia that might have otherwise gone undetected, potentially saving her life according to the BBC. https://www.google.com/search?client=firefox-b-d&q=how+blood+tests+saved+my+life+
i can't imagine where, why or even how you have formed that seemingly nutsy, very overly-cynical view of modern medicine.
"I think I worded my reply wrong. I bet all the tests will show NOTHING! That's always been my experience with blood tests and medicine."
I think odds are subconsciously you worded your reply correctly.
And gawd, blood test results suggested the presence of my prostate cancer, and the prostate was riddled with it. Blood tests have unarguably saved millions of lives.
LOL Back to the lousy task of ointmenting myself. ;-)