@ crashfrog,
First of all, why should we find that the disobedient have a higher incidence of disease? Nobody has claimed that except you. Thats a strawman type argument.
Secondly, diseases are not caused by disobedience. The INITIAL cause of disease was disobedience, which is what the other poster claimed. Biological agents that have undergone entropic processes are what we see cause disease, but the original sin of Adam is what began those entropic processes.
Lastly, you ask for evidence, and I would have to ask how one would prove that anyway? Disobedience is a concept and not something you can scientifically test. A good way would be to test the reliability of the Bible, and once you come to a conclusion on that, you can find out what it teaches about sin and disease. Have you ever studied the reliability of it in depth? I think you will be surprised. It's interesting how 66 different books pieced together, written by 40 different authors, on 3 different continents, over the period of 1500 years can relay such a coherent message and have its teachings reflect how the world actually is and works. I look forward to your reply.