Cimarex was formed in February 2002 as a wholly owned subsidiary of Tulsa-based Helmerich & Payne, Inc. On September 30, 2002, Cimarex was completely spun off to Helmerich and Payne shareholders and simultaneously merged with Denver-based Key Production Company, Inc.
A few others such as rheumatoid arthritis and autoimmune diseases of the thyroid gland are most commonly seen in older individuals. However, many of the autoimmune diseases such as lupus and multiple sclerosis are most common in women during the ages of twenty to forty.
Autoimmune Disease. Disease that results when the immune system mistakenly attacks the body's own tissues. Examples include multiple sclerosis, type 1 diabetes, rheumatoid arthritis, and systemic lupus erythematosus. PubMed Health Glossary. (Source: NIH-National Institute of Allergy and Infectious Diseases).ome of the more common autoimmune diseases include type 1 diabetes, rheumatoid arthritis, systemic lupus erythematosus, and inflammatory bowel disease.