Азбука здоровья
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Sciatica
Sciatica refers to pain, weakness, numbness, or tingling in the leg. It is caused by injury to or pressure on the sciatic nerve. Sciatica is a symptom of another medical problem. It is not a medi
Sleep apnea
What is sleep apnea?
Sleep apnea is a serious sleep disorder. People who have sleep apnea stop breathing for 10 seconds to 30 seconds at a time while they are sleeping. These short stops in breathi