Restless Leg Syndrome & Salt
Restless leg syndrome (RLS) affects millions of Americans, both men and women, of all ages. Although it has been variously attributed to nervousness, insomnia and arthritis, RLS is now accepted as a medial condition in its own right. The exact cause is unknown, and remedies seem to differ from case to case. One popular hypothesis is that there is some kind of link between RLS and salt, but there has been no scientific evidence to support this idea.
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What Is RLS?
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Restless leg syndrome is a problem caused by a neurological issue -- abnormal activity in the central nervous system. It affects as many as 12 million Americans. Sensations caused by RLS are described as burning or creeping in the legs, and these symptoms can range from simply uncomfortable to painful. The cause is unknown, although there is some evidence that it might be genetic. Conditions that may bring on RLS include anemia, kidney failure, Parkinson's, and peripheral neuropathy.
Symptoms
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RLS is characterized by restless feelings in the legs, particularly when lying down or resting. Research has shown that lying down actually increases the intensity of these symptoms. Sufferers will move around in bed or twitch in an attempt to alleviate the symptoms, which leads to difficulty falling asleep and staying asleep. The condition can therefore cause exhaustion and daytime fatigue.
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Treatment
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Movement brings temporary relief to sufferers of RLS. A more effective form of control is diagnosing underlying disorders and treating them. RLS is also treated through prevention; certain lifestyle changes might keep restless leg syndrome from developing in a person who might have been prone to the disorder. Decreased intake of alcohol, caffeine and tobacco is one such suggestion. Hot baths, leg massages and the use of heating pads and ice packs might also help alleviate the twitches that accompany RLS.
RLS and Salt
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There have been some claims that restless leg syndrome is caused or at least aggravated by a diet high in salt (sodium). The theory, then, is that reduced salt intake will cure RLS. The idea is based on the belief that restless leg syndrome is a disorder of muscle hyperexcitability. If that were the case, consumption of salt, as a potential dehydrator, might play a part in RLS. But no solid evidence has been produced in support of this theory.
Misconceptions
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Restless leg syndrome is just one of several conditions that affect the legs. These ailments often strike during the night and display similar signs. For this reason, other issues are sometimes misdiagnosed as RLS. One such consition is nocturnal leg cramps. These are muscle spasms in the calf, and sometimes in the soles of the feet, that can occur several times in one night. Nocturnal leg cramps are very common and are often misdiagnosed as RLS. They are not, however, related to or symptomatic of RLS.
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