Apparently race has a bearing on how a sleep disorder characteristic attacks. Restless Leg Syndrome or RLS has been found to hit Africa-American women more based on a study presented at CHEST 2009. While the study may have shown how ethnic origin plays a role on this issue, exact causes were unknown. Women were found to be more iron deficient and have rheumatoid arthritis which were risk factors associated with RLS.
“Restless legs syndrome is a common sleep disorder that may not be easily recognized by patients and clinicians,” said Kalpalatha Guntupalli, MD, FCCP, President of the American College of Chest Physicians. “Educating clinicians and patients about the signs and symptoms of RLS may raise awareness about this overlooked condition and lead to earlier diagnosis and treatment.”
(Source) Press
Many people these days are unaware of bed bugs symptoms. It is understandable since bed bugs together with some pests have been exterminated during the widespread use of DDT in the United States after World War I.