Myasthenia gravis
A breakdown in the communication between nerves and muscles causes weakness and fatigue of muscles…
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Diseases & Conditions
Myelin oligodendrocyte glycoprotein antibody-associated disease (MOGAD)
Learn about the symptoms, diagnosis and treatments for this autoimmune disease that attacks nerve fibers…
繼續閱讀Myelodysplastic syndromes
Learn how medications and bone marrow transplants are used to control complications caused by these…
繼續閱讀Myelofibrosis
Find out more about this bone marrow cancer. Learn about symptoms, diagnosis and treatments for…
繼續閱讀Myocardial ischemia
Myocardial ischemia reduces blood flow to the heart and may cause chest pain — but…
繼續閱讀Myocarditis
Learn about the diagnosis and treatment of this inflammation of the heart muscle that can…
繼續閱讀Myofascial pain syndrome
In this condition, pressure on certain points in the muscles, called trigger points, can cause…
繼續閱讀Myofascial release therapy: Can it relieve back pain?
Myofascial release, a form of manual therapy, may help reduce back pain.
繼續閱讀Myomectomy
This surgery to treat uterine fibroids aims to keep the ability to have children. There…
繼續閱讀Myxofibrosarcoma
Learn about this connective tissue cancer that often starts in the arms and legs. Myxofibrosarcoma…
繼續閱讀Nail fungus
Learn about symptoms, treatment and prevention of this common infection among older adults that causes…
繼續閱讀Nail ridges: Cause for concern?
Vertical nail ridges are common and often become more prominent with age.
繼續閱讀Napping: Do's and don'ts for healthy adults
Taking a nap can be good your health. Find out how to make the most…
繼續閱讀Narcissistic personality disorder
This mental disorder includes an unreasonably high sense of importance, a need for excessive admiration,…
繼續閱讀Narrow stools: Should I be concerned?
Narrow stools may be a sign that the colon is narrowing or has a blockage.
繼續閱讀Nasal and paranasal tumors
Learn about these cancerous and noncancerous growths that form in and around the nose. Treatments…
繼續閱讀Nasal polyps
These painless, noncancerous growths can lead to a lost sense of smell or infection. Medicine…
繼續閱讀Nasopharyngeal carcinoma
Nasopharyngeal carcinoma is cancer that happens in the nasopharynx, which sits behind the nose and…
繼續閱讀Natural breast enhancement: Do supplements work?
Breast enhancement supplements haven't been proved effective, and they could cause side effects.
繼續閱讀Natural remedies for depression: Are they effective?
For some people, some herbal and dietary supplements seem to help with depression. More studies…
繼續閱讀Natural vs. safe: Why the two aren't the same
"Natural" on the label doesn't mean safe in your body. Learn the truth behind the…
繼續閱讀Nausea and vomiting
Motion sickness and drinking alcohol are among the many common causes of nausea and vomiting….
繼續閱讀Nausea during pregnancy: A good thing?
Morning sickness is common during pregnancy. Understand what nausea and vomiting might mean while you're…
繼續閱讀Nearsightedness
Tired of squinting at objects in the distance? There are effective treatment options for this…
繼續閱讀Neck pain: Symptom
Stress, strain and sitting for long hours at a computer are some of the many…
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