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Brain And Nervous System
Multiple sclerosis is a lifelong condition that can be tough to face alone. Browse information, get help from experts, and find support online. Multiple sclerosis (MS) is a chronic, unpredictable disease that affects the central nervous system. Inflammation and an immune-mediated process causes damage to the myelin that protects the nerves in the spinal cord and brain. This damage produces
Synkinesis is the abnormal regrowth of nerve fibers, causing unwanted contractions of facial muscles during movement. Learn more and get treatment. Synkinesis is an abnormal pairing of muscle movements that are not normally paired. Facial synkinesis is the most common type. It causes a movement pattern of the face in which a person will have involuntary (not on purpose) movements of one or more
Occipital nerve stimulation is a surgical neuromodulation procedure that treats chronic headaches and craniofacial pain not responding to other therapies. Occipital nerve stimulation, also known as peripheral nerve stimulation, is a surgical procedure used to treat chronic headaches and facial pain that does not respond to other kinds of pain-relief therapy. Pain management is essential for those with
There are many reasons someone may have a lopsided, or uneven, smile. Learn more about this type of smile and how to fix it. A crooked or uneven smile is fairly common—most people do not have complete symmetry to their face. However, some medical problems can cause a lopsided smile, and this can be a sign of a medical emergency. There are many possible reasons for a
While certain vaccines can trigger flare-ups, the COVID vaccine is safe for people with multiple sclerosis. Learn about side effects and effectiveness. Multiple sclerosis (MS) is an autoimmune disorder that causes damage to the myelin sheath—the layer of tissue that protects the nerve cells. This damage affects the spinal cord, brain, and/or eyes.Certain vaccines can trigger MS symptom flare-ups
Multiple sclerosis (MS) may influence the development of cancer. Learn more about this possible relationship, and how to minimize your cancer risk. Your immune system normally defends your body against harmful substances to prevent infection and illness. When your immune system malfunctions, harmful substances like cancer cells may be able to escape detection and elimination.In
The corneal reflex, or blink reflex, is involuntary blinking caused by stimulation of the cornea. Learn more about why it occurs and how to test it. The corneal reflex is also sometimes referred to as the eye-blink reflex. This reflex causes you to blink if something touches your eye, and it serves to protect your eye from surface damage.Corneal reflex testing is often part of a neurological
MS vs. Ankylosing Spondylitis: What Are the Differences?
MS and ankylosing spondylitis are both chronic autoimmune diseases that differ greatly in symptoms and treatment. Learn more about their differences. Despite both being autoimmune diseases, multiple sclerosis (MS) and ankylosing spondylitis (AS) are unrelated conditions. They rarely coexist, and they differ significantly in symptoms, diagnosis, and treatment.In MS, the immune system attacks nerve
Caffeine may help headaches, but some people experience a headache after drinking coffee. Learn how the brain processes caffeine and manifests pain. Does caffeine help headaches? It depends. After drinking coffee, some people get a headache, while others use caffeine to treat migraines.Scientists don’t quite know why caffeine helps headaches in some people but makes them worse in others.
Study: Gallstones May Come Before Pancreatic Cancer Diagnosis
A new study has found that people who were eventually diagnosed with pancreatic cancer often had gallstones years before the diagnosis. Key TakeawaysA new study found that people diagnosed with pancreatic cancer were six times more likely to have had gallstones in the year before getting diagnosed with cancer.People with a history of gallstones should be followed closely by their
Learn what monkeypox is and why it's spreading in the United States. Key TakeawaysSmall outbreaks of a viral infection called monkeypox are occurring around the world.The United States has one confirmed case, with more expected.Monkeypox has a low fatality rate.An approved vaccine for monkeypox is estimated to be 85%