<p><strong>What Is Spinal Stenosis?</strong></p>
<p>Spinal stenosis is a narrowing of the spinal canal, the cavity within the vertebral column through which the spinal cord and nerves pass. Nerves leaving the spinal cord are called nerve roots; they pass through the vertebral column via small canals. Arthritic changes that cause overgrowth of vertebral bones may compress the spinal cord or the nerve roots, impairing sensation and muscle strength in the affected portion of the body. Most common among people in their 50s and 60s, spinal stenosis affects the lumbar (lower back) portion of the spine more than the cervical (neck) region. Symptoms include pain, numbness, and weakness in the neck, arms, lower back, and legs. As a result of leg weakness, people are prone to falls. Because the nerves controlling the bladder emerge from the lower spine, spinal stenosis may also cause urinary incontinence.</p>
Also referred to as peripheral neuropathy or peripheral neuritis, neuropathy occurs when illness, injury, inflammation, medication, or other factors disrupt the ability of nerves outside the spinal cord to relay messages between the brain and muscles, skin, nerves, joints, or internal organs. Neuropathy can affect: Sensory nerves, which control sensation Motor nerves, which control movement Autonomic nerves, which control involuntary or semi- involuntary body functions Any combination of these three main types of nerves Researchers have identified more than 100 types of neuropathy. Symptoms, which may take days, weeks, or months to develop, depend on the type or types of nerves affected and on whether neuropathy affects a single nerve or group of nerves (mononeuropathy) or more than one nerve group (polyneuropathy). Damage to sensory nerves can reduce or intensify sensation. This can prevent patients from realizing they’ve been injured or are experiencing pains warning of...
Definition Diabetic neuropathy is damage to nerves in the body that occurs due to high blood sugar levels from diabetes . Alternative Names Nerve damage - diabetic Causes, incidence, and risk factors Nerve injuries are caused by decreased blood flow and high blood sugar levels . They are more likely to develop if blood sugar levels are not well controlled. About half of people with diabetes will develop nerve damage. Most of the time symptoms do not begin until 10 to 20 years after diabetes has been diagnosed. Nerve injuries may affect: Nerves in the skull (cranial nerves) Nerves from the spinal column and their branches Nerves that help your body manage vital organs, such as the heart, bladder, stomach, and intestines (called autonomic neuropathy)
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