It can aid diagnosis.
What good is that if you lack the knowledge and tools to fix the problem as humans did for most of their history.
I guess that's for the individual to decide.
Why don't you have the balls to confront the obvious problems with your world view?
If we were designed, tumours and aortic aneurisms are evidence of bad design.
Poor neck and shoulder posture can be rectified.
Yes but, the fact that they can happen at all would be evidence of bad design if we were designed.
The Egyptians were pretty good engineers - they probably knew about posture.Hold that thought.
You cherry pick one issue with the human body and one ancient civilisation and claim that makes everything OK. If you were an ancient Egyptian with appendicitis, you were guaranteed a painful death. This is not evidence of good design.
If there is a god, he is probably up there looking at your posts and cursing the fact that he failed to design anti bullshit measures into the human brain.