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Information About Rare Diseases: M

Alphabetical listing of information and support groups for rare diseases and disorders.
Machado-Joseph Disease
Article describes Machado-Joseph disease (spinocerebellar ataxia type 3), its symptoms, diagnosis, and treatment.
Mad Cow Disease and Humans
Article describes mad cow disease (variant Creutzfeldt-Jakob disease), its symptoms, diagnosis, and treatment.
Maffucci Syndrome
Article describes Maffucci syndrome, its symptoms, diagnosis, and treatment.
Malignant Melanoma
Article looks at malignant melanoma (skin cancer), its symptoms, diagnosis, and treatment.
Maple Syrup Urine Disease
Article describes maple syrup urine disease, its symptoms, diagnosis, and treatment.
Marburg Hemorrhagic Fever
Information from the Centers for Disease Control and Prevention.
President Lincoln and Marfan Syndrome
Since the 1960s physicians have debated whether U.S. President Abraham Lincoln had Marfan syndrome, a connective tissue disorder. Were his height and long limbs proof of the diagnosis?
MPS VI (Maroteaux-Lamy Syndrome)
Site promotes awareness and diagnosis of Maroteaux-Lamy syndrome (MPS VI); provides information, newsletter, resources, and support.
The Mastocytosis Society, Inc.
Site offers FAQs, a picture gallery, resources, and an email listserv.
McCune-Albright Syndrome
Article describes McCune-Albright syndrome, its symptoms, diagnosis, and treatment.
Meckel-Gruber Syndrome
Article describes Meckel-Gruber syndrome, also known as Meckel syndrome, its symptoms, diagnosis, and treatment.
MELAS Syndrome
Article describes MELAS syndrome, its symptoms, diagnosis, and treatment.
Menkes Disease
Article describes Menkes kinky hair disease, its symptoms, diagnosis, and treatment.
NORD: MERRF Syndrome
Brief definition of the syndrome and list of organizations for support and resources, from the National Organization for Rare Disorders (U.S.).
Metachromatic Leukodystrophy
Brief definition of the disorder from the National Organization for Rare Disorders.
Minamata Disease
Article describes the industrial pollution in Minamata, Japan, and the resulting effects of mercury poisoning in the people there.
Mitochondrial Disease
Article describes mitochondrial disease, its symptoms, diagnosis, and treatment.
MMIH Syndrome
Article describes megacystis microcolon intestinal hypoperistalsis syndrome (MMIH), its symptoms, diagnosis, and treatment.
Moebius Syndrome
Article describes Moebius syndrome, its symptoms, diagnosis, and treatment.
Morquio Syndrome (MPS IV)
Information from the National MPS Society about Morquio syndrome (MPS IV).
Mosquito-Borne Encephalitis
Article describes the types of encephalitis carried by mosquitoes, and how to protect yourself from infection.
Mowat-Wilson Syndrome
Information about the genetic disorder Mowat-Wilson syndrome, its symptoms, diagnosis, and treatment.
Multiple Chemical Sensitivities
Article describes multiple chemical sensitivity, its symptoms, causes, and treatments.
Multiple System Atrophy
Article describes multiple system atrophy, its symptoms, diagnosis, and treatment.
Munchausen Syndrome by Proxy
Article describes the syndrome, its symptoms, diagnosis, and treatment.
Myasthenia Gravis
Information about myasthenia gravis (MG), an autoimmune disorder, including symptoms, diagnosis, and treatment.
NYSDOH: Mycoplasma Infection
Information from the New York State Department of Health.
Mycosis Fungoides
Article describes mycosis fungoides, its symptoms, diagnosis, and treatment.
Myelodysplastic Syndrome
Article describes myelodysplastic sydrome (MDS), its symptoms, diagnosis, and treatment.
Idiopathic Myelofibrosis
Article describes idiopathic myelofibrosis, also known as agnogenic myeloid metaplasia, its symptoms, diagnosis, and treatment.

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