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M

  1. Macular degeneration, dry
  2. Macular degeneration, wet
  3. Mad cow disease (See: Creutzfeldt-Jakob disease)
  4. Major depression (See: Depression)
  5. Malaria
  6. Male breast cancer
  7. Male hypogonadism
  8. Male infertility
  9. Malignant peripheral nerve sheath tumors
  10. Mallet toe and hammertoe (See: Hammertoe and mallet toe)
  11. Mammary duct ectasia
  12. Manic-depressive illness (See: Bipolar disorder)
  13. Marburg virus (See: Ebola virus and Marburg virus)
  14. Marfan syndrome
  15. Mastalgia (See: Breast pain)
  16. Mastitis
  17. MD (See: Muscular dystrophy)
  18. Measles
  19. Measles, German (See: Rubella)
  20. Medial tibial stress syndrome (See: Shin splints)
  21. Mediterranean anemia (See: Thalassemia)
  22. Megacolon (See: Hirschsprung's disease)
  23. Megaloblastic anemia (See: Vitamin deficiency anemia)
  24. Melanoma
  25. Melanoma of the eye (See: Eye melanoma)
  26. Membranous nephropathy
  27. Meniere's disease
  28. Meningioma
  29. Meningitis
  30. Meniscus tear (See: Torn meniscus)
  31. Menopause
  32. Menorrhagia
  33. Menstrual bleeding, excessive (See: Menorrhagia)
  34. Menstrual cramps
  35. Mental illness
  36. Meralgia paresthetica
  37. Merkel cell carcinoma
  38. Mesenteric artery ischemia (See: Intestinal ischemia)
  39. Mesenteric ischemia
  40. Mesenteric lymphadenitis
  41. Mesothelioma
  42. Metabolic disorders
  43. Metabolic syndrome
  44. Metachromatic leukodystrophy
  45. Metatarsalgia
  46. Methicillin-resistant staphylococcus aureus infection (See: MRSA infection)
  47. MGUS (See: Monoclonal gammopathy of undetermined significance)
  48. Microcephaly
  49. Microscopic colitis
  50. Microscopic hematuria (See: Blood in urine (hematuria))
  51. Microvascular disease (See: Small vessel disease)
  52. Middle ear infection (See: Ear infection (middle ear))
  53. Migraine
  54. Migraine with aura
  55. Mild cognitive impairment (MCI)
  56. Milia
  57. Miliaria (See: Heat rash)
  58. Milk allergy
  59. Milk intolerance (See: Lactose intolerance)
  60. Miscarriage
  61. Mitral valve disease
  62. Mitral valve prolapse
  63. Mitral valve regurgitation
  64. Mitral valve stenosis
  65. Mittelschmerz
  66. Mixed connective tissue disease
  67. Molar pregnancy
  68. Mold allergy
  69. Moles
  70. Molluscum contagiosum
  71. Mono (See: Mononucleosis)
  72. Monoclonal gammopathy of undetermined significance
  73. Mononucleosis
  74. Mood disorders
  75. Morning sickness
  76. Morphea
  77. Morton's neuroma
  78. Mosquito bites
  79. Mouth cancer
  80. Movement disorders
  81. Moyamoya disease
  82. MRSA infection
  83. MS (See: Multiple sclerosis)
  84. MSA (See: Multiple system atrophy (MSA))
  85. Mucocutaneous lymph node syndrome (See: Kawasaki disease)
  86. Mucopolysaccharidosis type II (See: Hunter syndrome)
  87. Multiple endocrine neoplasia type 1 (See: Multiple endocrine neoplasia, type 1 (MEN 1))
  88. Multiple endocrine neoplasia, type 1 (MEN 1)
  89. Multiple myeloma
  90. Multiple personality disorder (See: Dissociative disorders)
  91. Multiple sclerosis
  92. Multiple system atrophy (MSA)
  93. Mumps
  94. Muscle cramp: How to provide relief
  95. Muscle strain (See: Sprains and strains)
  96. Muscular dystrophy
  97. Myasthenia gravis
  98. Myelodysplastic syndromes
  99. Myelofibrosis
  100. Myelomeningocele (See: Spina bifida)
  101. Myocardial infarction (See: Heart attack)
  102. Myocardial ischemia
  103. Myocarditis
  104. Myoclonus
  105. Myofascial pain syndrome
  106. Myomas (See: Uterine fibroids)
  107. Myopia (See: Nearsightedness)
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