Playing Rumer Willis Channels Mom Demi Moore's '90s Gap Ad in New Photo Shoot. Over 27 years later, Rumer Willis has fallen into the Gap just like her mother, Demi Moore. The clothing brand is bringing back 15 styles from the '90s and in doing so, has recreated ads from the era with the help of the sons and daughters of their former campaign stars.
Polymyalgia Rheumatica Causes. The cause of PMR is uncertain but it is believed to be an autoimmune disease in which the bodyâs own immune system attacks the connective tissues. Genetic and environmental factors (such as infections) are thought to play important roles.
Etiology. The exact cause (or causes) of PMR is unknown. The disease is more common among northern Europeans, which may indicate a genetic predisposition. Other risk factors for PMR are an age of 50 years or older and the presence of GCA. An autoimmune process may play a role in PMR development.n the United States, the average annual incidence of polymyalgia rheumatica (PMR) is 52.5 cases per 100,000 persons aged 50 years and older. The prevalence is approximately 0.5-0.7%.