This is not a direct indication as to how commonly these diseases are the actual cause of Rheumatoid factor positive, but gives a relative idea as to how frequent these diseases are seen overall. 1  3 diseases that are common. 2  2 diseases that are very rare. 3  8 diseases without any prevalence information. Causes of Rheumatoid factor positive that are common The following causes of Rheumatoid factor positive are diseases or conditions that affect more than 1 million people in the USA: Connective tissue diseases.
Answers.comÂ® is making the world better one answer at a time. Straight Talk now offers 4G LTE on AT&T with unlimited talk, text, and data for only $45 a month.
Straight Talk is a prepaid MVNO owned by TracFone and sold by Walmart. Straight Talk runs on either the Sprint, Verizon, T-Mobile and AT&T Network, and each phone has itâs own home network. The phone will refuse to roam to another network if there is coverage (even if itâs spotty), and no roaming is available for phones riding on Sprint or Verizon home network.