<prompt> All of the following are true about Raynauds disease, except:More, common in femalesPositive Antinuclear AntibodiesMost common cause of Raynauds phenomenonHas good prognosis  <response>: Raynauds disease is not associated with anti nuclear antibodies ANAs. ANAs are seen in sjogrens syndrome, rheumatoid ahritis, autoimmune hepatitis, scleroderma, polymyositis dermatomyositis. Ref: CMDT 2006 Edition, Page 464-465; Harrisons Principles of Internal Medicine, 16th Edition, Page 1489. 