Analgesics are painkillers and arthritis can be a painful disease.
I don't think Arthritis can be diagnosed by blood test. It is a physical phenomena
There are many different forms of arthritis and what would affect some would have no affect on others.
It is not known what causes arthritis so the environment that would bring it about is also not known . However many people with arthritis have anecdotal theory's on this subject.
No one know what causes arthritis. However If you mean does walking on marble lead to arthritis then the answer would probably go" marble does not cause arthritis however if someone that has joints damaged by arthritis walks on a hard unforgiving surface liker marble, then they would be like to feel the pain caused by arthritis more rapidly.
Analgesics are pain killers and arthritis can be a very painful condition.
obviously it would be your elbow
blood tests for inflammation and Rheumatoid factor. And progresive exrays to judge the progress of damage cause by the disease.
A prism cannot be used to name an ordered pair.
There are over a hundred different forms of arthritis and the treatment for these may be different to answer this question you would have to add what sort of arthritis and what the treatment is that you are referring too.
That would be unlkely, ther is no evidence that humidity has any effect on the symptoms of arthritis.
As the reasons for arthritis are stil not known this would be a difficult question to answer.