Restless leg syndrome has been found to increase the risk of stroke, heart disease and kidney disease.
Restless leg syndrome is classified as a neurological disorder that can impair a person’s ability to fall asleep. Studies estimate that one in 10 Americans suffer from RLS, but the good news is the condition is treatable.
On the other hand it can increase a person’s risk of stroke, heart disease and kidney disease.
Restless leg syndrome a risk factor for heart and kidney problems
The new study was conducted on veterans and found restless leg syndrome increases the risk of heart and kidney disease and stroke. The findings, from the University of Tennessee Health Science Center and the University of California, reveal the strongest evidence between RLS and stroke, heart disease and kidney disease.
3,700 veterans with RLS were selected along with 3,700 without the condition and matched them based on demographic and clinical factors. Both groups were tracked for eight years and outcomes were then compared. Researchers look specifically for new cases of stroke, heart disease and kidney disease.
Some theories, which circulate the findings, involve suggesting that lack of sleep due to RLS can contribute to poorer health outcomes. Poor sleep has been associated with illness time and time again.
The researchers suggest further research needs to be conducted to determine if better treatment of RLS could reduce the future risk of stroke, heart disease and kidney disease.
Causes of restless leg syndrome (RLS)
Restless leg syndrome is a neurological disorder that genetics also plays a role in. RLS is found to run in families, and researchers have uncovered specific genes associated with RLS. Other research has shown low levels of iron in the brain in those with RLS and RLS is related to dysfunction in the brain’s basal ganglia circuits, which transfer dopamine. This is necessary to produce smooth movements. Damage to this area is also seen in Parkinson’s patients.
Other causes of RLS include kidney disease, diabetes, peripheral neuropathy, certain medications, pregnancy, alcohol and sleep deprivation.
Common signs and symptoms of restless leg syndrome (RLS)
Restlessness of the legs typically gets worse at night and starts when a person is in a lying position – most likely in bed. Long periods of leg inactivity, too, can start the discomfort, i.e. long car rides.
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