Restless leg syndrome (RLS) may be significantly more common than previously reported. Specifically, a new study of 190 people finds that 23% suffered from RLS.

In addition, race may be a factor in RLS. The study found that 36% of white subjects have the condition, compared with 12% of black subjects. Women were also significantly more likely than men to have RLS.

“There are significant ethnic differences in the prevalence of restless legs syndrome, but the exact causes of higher prevalence among Caucasians are unknown,” notes author Dr. Ammar Alkhazna. “This likely reflects a combination of factors, including a genetic predisposition to RLS, diet, including iron intake, medications, and possibly culture.”

“Some risk factors for restless legs syndrome appear to be more common among women,” Dr. Alkhazna adds. “Women are more likely to be iron-deficient than men and have rheumatoid arthritis, which are known risk factors for RLS.”

American College of Chest Physicians – November 2, 2009 .
www.chestnet.org