M

M2 Antigen (Antimitochondrial Antibodies)

Mactrocytic Anemia (Anemia)

Macular Degeneration

Macular Stains (Birthmarks and Other Skin Pigmentation Problems)

Mad Cow Disease

Magnetic Resonance Imaging (MRI Scan)

Magnifying Glasses (Eyeglasses, Sunglasses, and Magnifiers)

Malaria Facts

Male Breast Cancer

Male Breasts (Gynecomastia)

Male Health (Mens Health)

Male Hydrocele (Hydrocele (Pediatric, Testicular))

Male Medicine (Mens Health)

Male Menopause

Male Orgasm (Sexual (Sex) Problems in Men)

Male Turner Syndrome (Noonan Syndrome)

Malignancy (Cancer)

Malignant Brain Lesions (Brain Lesions (Lesions on the Brain))

Malignant Fibrous Histiocytoma (Bone Cancer Overview)

Malignant Giant Call Tumor (Bone Cancer Overview)

Malignant Hyperpyrexia (Malignant Hyperthermia)

Malignant Hyperthermia

Malignant Melanoma (Melanoma)

Malignant Tumor (Cancer)

Mammary Gland (Breast Anatomy)

Mammogram

Mammography (Mammogram)

Mandibulofacial Dysostosis (Treacher Collins Syndrome)

Mania (Depression)

Manic Depressive (Bipolar Disorder)

Manometry, Esophageal (Esophageal Manometry)

Map-Dot-Fingerprint Dystrophy (Corneal Disease)

Marfan Syndrome

Marfan's Syndrome (Marfan Syndrome)

Marie-Sainton Syndrome (Cleidocranial Dysplasia)

Marijuana

Maroon Poop (Stool Color Changes)

Maroon Stools (Stool Color Changes)

Marrow (Bone Marrow)

Marrow Transplant (Peripheral Blood Stem Cell Transplant)

Martin-Bell Syndrome (Fragile X Syndrome)

Mary Jane, Marijuana (Marijuana)

Mastititis: Breastfeeding (Breastfeeding: Common Breastfeeding Challenges)

Masturbation

Mathematics Disorder (Learning Disability)

MCH (Complete Blood Count)

MCHC (Complete Blood Count)

MCTD (Mixed Connective Tissue Disease)

MCV (Complete Blood Count)

Mean Cell Hemoglobin (Complete Blood Count)

Mean Cell Hemoglobin Concentration (Complete Blood Count)

Mean Cell Volume (Complete Blood Count)

Mean Platelet Volume (Complete Blood Count)

Measles (Rubeola)

Mechanical Valve (Heart Valve Disease Treatment)

Medial Epicondylitis (Elbow Pain)

Medicaid for Alzheimer's Patient Care (Financial Planning in Alzheimer's Disease)

Medicaiton Damage to Inner Ear (Vestibular Balance Disorders)

Medical Causes of Menopause (Premature Menopause (Medical Procedural Causes))

Medical Pain Management (Pain Management)

Medicare for Alzheimer's Patient Care (Financial Planning in Alzheimer's Disease)

Medication Infusion (IV Drug Infusion FAQs)

Medications and Pregnancy (Pregnancy Drug Dangers)

Medications for Asthma (Asthma Medications)

Medications for Diabetes (Diabetes Treatment)

Medications for Heart Attack (Heart Attack Treatment)

Medications for High Blood Pressure (High Blood Pressure Treatment)

Medications for Menstrual Cramps (Menstrual Cramps and PMS Medication Guide)

Medications for Premenstrual Syndrome (Menstrual Cramps and PMS Medication Guide)

Medications, Cholesterol (Lower Cholesterol Levels with Diet and Medication)

Mediterranean Anemia (Beta Thalassemia)

Medullary Carcinoma (Thyroid Cancer)

Medulloblastoma (Brain Tumor)

Megacolon (Hirschsprung Disease)

Meibomian Cyst (Chalazion)

Melanoma

Melanosis Coli

MELAS Syndrome

Melasma

Melioidosis

Memory Loss (Dementia)

Men's Sexual Health (Sexual Health Overview)

Men, Disease Prevention (Disease Prevention in Men)

Men, Health Screening for Men (Disease Prevention in Men)

Men, Night Sweats (Night Sweats)

Meniere Disease

Meningeal Tumors (Adult Brain Tumors)

Meningioma (Brain Tumor)

Meningitis Meningococcus (Meningococcemia)

Meningocele (Spina Bifida and Anencephaly)

Meningococcemia

Meningococcus (Meningococcemia)

Meningoencephalitis, Toxoplasma (Toxoplasmosis)

Meningomyelocele (Spina Bifida and Anencephaly)

Meniscus Tear (Torn Meniscus)

Menopause

Menopause and Sex

Menopause, Hot Flashes (Hot Flashes)

Menopause, Male (Male Menopause)

Menorrhagia (Vaginal Bleeding)

Mens Health

Menstrual Cramps

Menstrual Cramps and PMS Medication Guide

Menstrual Cycle (Menstruation)

Menstrual Migraine (Migraine)

Menstruation

Mental Health (Psychology)

Mental Illness

Mental Illness in Children

Meralgia Paresthetica

Mercury Poisoning

MERS (Middle East Respiratory Syndrome)

Mesothelioma

Metabolic Encephalopathy (Encephalopathy)

Metabolic Syndrome

Metallic Mercury Poisoning (Mercury Poisoning)

Metastatic Brain Tumors (Adult Brain Tumors)

Metatarsal Fracture (Broken Foot)

Methemoglobinemia

Methicillin Resistant Staphylococcus Aureus (MRSA Infection)

Methylmercury Exposure (Mercury Poisoning)

Metrorrhagia (Vaginal Bleeding)

MFD1 (Treacher Collins Syndrome)

MHS (Malignant Hyperthermia)

MI (Heart Attack Pathology: Photo Essay)

Microcephaly

Microcytic Anemia (Anemia)

Microdermabrasion

Micropigmentation (Permanent Makeup (Micropigmentation))

Microscopic Colitis (Lymphocytic Colitis)

Microsporidiosis

Migraine

Migraine Headache (Migraine)

Migraine, Abdominal (Abdominal Migraines in Children and Adults)

Miliaria (Heat Rash)

Miliaria Profunda (Heat Rash)

Miliaria Ruba (Heat Rash)

Milk Alergy (Lactose Intolerance)

Milk Tolerance Test (Lactose Tolerance Test)

Mini-Stroke (Transient Ischemic Attack (TIA, Mini-Stroke))

Minimally Invasive Lumbar Spinal Fusion

Mirra (Khat)

Miscarriage Causes and Symptoms

Mitochondrial Disease

Mitochondrial Disorders (Mitochondrial Disease)

Mitochondrial Encephalomyopathy (MELAS Syndrome)

Mitochondrial Myopathies (Mitochondrial Disease)

Mitral Valve Prolapse

Mixed Connective Tissue Disease

Mixed Cryoglobulinemia (Essential Mixed Cryoglobulinemia)

Mixed Gliomas (Adult Brain Tumors)

Mixed Receptive-Expressive Language Disorder (Learning Disability)

Mobitz I (Heart Rhythm Disorders)

Mobitz II (Heart Rhythm Disorders)

Mohs Surgery

Mold Exposure

Moles

Molluscum Contagiosum Facts

Monilia Infection, Children (Thrush and Other Yeast Infections in Children)

Monitoring, Esophageal pH Test (Esophageal pH Monitoring)

Monkeypox

Mono (Infectious Mononucleosis)

Mononucleosis (Infectious Mononucleosis)

Monosomy 1p36 Syndrome (1p36 Deletion Syndrome)

MOOBS (Gynecomastia)

Morbilli (Measles (Rubeola))

Morning after Pill (Contraceptive Measures After Unprotected Sex)

Morphea (Scleroderma)

Morton's Neuroma

Motility Study, Antro-duodenal (Antro-duodenal Motility Study)

Motility, Esophageal Study (Esophageal Manometry)

Motion Sickness (Sea Sickness, Car Sickness)

Mountain Sickness (Motion Sickness (Sea Sickness, Car Sickness))

Mourning (Loss, Grief, and Bereavement)

Mouth Cancer (Oral Cancer)

Mouth Guards

Mouth Sores (Canker Sores)

Movement Disorder of the Limbs (Restless Leg Syndrome)

MPV (Complete Blood Count)

MRI Scan

MRSA Infection

MS (Multiple Sclerosis (MS))

MS, Alternative and Complementary Therapies (Alternative Therapy for Multiple Sclerosis)

Mucinous Cyst Adenomas, Pancreas (Pancreatic Cysts)

Mucocutaneous Lymph Node Syndrome (Kawasaki Disease)

Mucormycosis

Mucous Colitis (Irritable Bowel Syndrome (IBS))

Mucous in poop (Stool Color Changes)

Mucoviscidosis (Cystic Fibrosis)

Mucoviscidosis of the Pancreas (Cystic Fibrosis)

Mucus Inspection Method of Birth Control (Natural Methods of Birth Control)

Multi-infarct Dementia, Binswanger's Type (Binswanger's Disease)

Multinodular Goiter (Thyroid Nodules)

Multiple Chemical Sensitivity (Sick Building Syndrome)

Multiple Myeloma

Multiple Personality Disorder (Dissociative Identity Disorder)

Multiple Sclerosis (MS)

Multiple Subpial Transection

Multiples: Breastfeeding (Breastfeeding: Common Breastfeeding Challenges)

Multipotent Stem Cells (Stem Cells)

Mumps

Munchausen Syndrome

Munchausen Syndrome by Proxy

Murmur, Congenital (Heart Murmur)

Murmur, Heart (Heart Murmur)

Muscle Cramps

Muscle Pain

Muscle Spasms

Musculoskeletal Pain (Pain Management: Musculoskeletal Pain)

MVP (Mitral Valve Prolapse)

Myalgic Encephalomyelitis (Chronic Fatigue Syndrome)

Myasthenia Gravis

Myclonic Seizure (Seizure)

Mycobacterium Marinum

Myeloma (Multiple Myeloma)

MYH-associated Polyposis (Gardner Syndrome)

Myocardial Biopsy

Myocardial Infarction (Heart Attack)

Myocardial Infarction Treatment (Heart Attack Treatment)

Myocarditis

Myofascial Pain (Muscle Pain)

Myogram (Electromyogram)

Myopathies, Mitochondrial (Mitochondrial Disease)

Myopia

Myositis (Polymyositis)

Myringotomy (Ear Tubes)

Myxedema Coma

Myxomatous Mitral Valve (Mitral Valve Prolapse)