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Macular Degeneration Health Center
Web MD — Age-related macular degeneration is the leading cause of severe vision loss in people over age 60. Find in-depth information on the types and treatment of macular degeneration. Macular degeneration (AMD) is caused by deterioration of the retina ...More…
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Precancerous Skin Lesions and Skin Cancer Picture Slideshow
Web MD — Like many cancers, skin cancers -- including melanoma, basal cell carcinoma, and squamous cell carcinoma -- start as precancerous lesions. These precancerous lesions are changes in skin that are not cancer, but could become cancer over time. ...More…
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FIRST AID A-Z
Web MD — Neck & Back Injuries Allergic Reactions Bites and Stings Breathing Problems Broken Bones Chest Pain Drug Overdose Eye Injury Foreign Objects Head Injuries Low Blood Sugar Sprains & StrainsMore…
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Myotonia Congenita
Web MD — Thomsen Disease (THD); Myotonia Congenita, Autosomal Dominant Becker Disease; Myotonia Congenita, Autosomal Recessive (MCR); Generalized Myotonia congenita is a rare genetic disorder in which an abnormality of voluntary (skeletal) muscle fiber ...More…
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Myoclonus, General
Web MD — Myoclonus is the term used to describe the sudden, involuntary jerking of a muscle or group of muscles caused by muscle contractions (positive myoclonus) or muscle relaxation (negative myoclonus). The twitching or jerking of muscles cannot be ...More…
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Myelodysplastic/Myeloproliferative Diseases
Web MD — Myelodysplastic/myeloproliferative diseases are a group of diseases in which the bone marrow makes too many white blood cells. Myelodysplastic/myeloproliferative diseases are diseases of the blood and bone marrow. Normally,the bone marrow makes ...More…
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Myelodysplastic/Myeloproliferative Diseases
Web MD — The myelodysplastic/myeloproliferative diseases (MDS/MPD) are clonal myeloid disorders that possess both dysplastic and proliferative features but are not properly classified as either myelodysplastic syndromes (MDS) or chronic myeloproliferative ...More…
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Myelodysplastic Syndromes Treatment (PDQ®) Topics
Web MD — Myelodysplastic syndromes are a group of diseases in which the bone marrow does not make enough healthy blood cells. Myelodysplastic syndromes are diseases of the blood and bone marrow. Normally,the bone marrow produces stem cells (immature ...More…
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National Marrow Donor Program
Web MD — Myelodysplastic syndromes (MDS) are a rare group of blood disorders that occur as a result of improper development of blood cells within the bone marrow. The three main types of blood cells (i.e., red blood cells, white blood cells and platelets) ...More…
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Mycosis Fungoides and the Sézary Syndrome
Web MD — Mycosis fungoides and the Sézary syndrome (MF/SS) are neoplasias of malignant T lymphocytes that usually possess the helper/inducer cell surface phenotype. These kinds of neoplasms initially present as skin involvement and as such have been ...More…
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Understanding Myasthenia Gravis - the Basics
Web MD — Get the basics on myasthenia gravis from the experts at WebMD. Myasthenia gravis is a chronic condition that causes muscles to tire and weaken easily. For example, if you have myasthenia gravis, you may notice that during a meal, your jaw muscles ...More…
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Mutism, Selective
Web MD — Selective mutism is a rare psychiatric condition primarily occurring during childhood. It is characterized by the failure to speak in social situations. Ability to understand spoken language and to speak is usually not impaired. Symptoms include ...More…