Our Companies. The Main Street America Group was established in 1923 with the founding of National Grange Mutual Insurance Company (NGM), which was created to provide affordable insurance coverage to Grange Fraternity members in New Hampshire.
Autoimmune progesterone dermatitis is a rare disease caused by an autoimmune response to endogenous progesterone in women during their reproductive years [1]. Skin lesions typically occur due to increases in progesterone during the luteal phase of the menstrual cycle [2].
What are the symptoms of rheumatoid arthritis? Rheumatoid arthritis (RA) is an autoimmune disease with symptoms that can be caused in part by inflammation. RA symptoms can vary from person to person, including: Joint pain, swelling and stiffness. Fatigue and muscle pain.