No
No. Psoriasis is not a contagious disease, even if you did in some way manage to bring your elbow into contact with someone's prostate.
No
The exact cause of RA is as yet not understood, there is some evidence that infection or allergic reaction can bring it on. There is no limit to how young you can be to be attacked by RA. even infants have been known to have had it.
No. Arthritis can cause or bring about a situation where inflammation happens In the case of osteoarthritis. in that case the arthritis happens before the inflammation, if there is inflammation.Osteoarthritis is a non inflammatory arthritis. In the case of rheumatoid arthritis, the actual cause is the inflammation.
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.
Anything covered by a prescription.
To bring about a polymerase chain reaction DNA sequences are placed in .2-.5ml reaction tubes and then placed in a thermal cycler. To achieve the reaction the sequences must undergo 20-40 temperature changes.
There is little or no evidence that climate has any particular effect on arthritis and even if so it seems that changes in climatic conditions bring on attacks this can not be avoided no mater where you go.
RA is not known to have a direct affect on kidneys, however some the drugs used in the treatment of Rheumatoid arthritis are likely to bring about kidney problems unless they are monitored carefully.
Probably not. however infections are believed to bring on outbreaks in those that are predisposed to it.
Not normally there is a slight chance that an infection can bring on the symptoms of some forms of arthritis.