Mad Cow Disease (Bovine Spongiform Encephalopathy)

Maintaining Weight Loss

Major Depression

Major Depression in Teens


Male Conditions

Male Growth and Development

Male Infertility

Male Physical Development

Malocclusion in Children

Mammograms and Breast Health

Manage Your Medicines

Managing Poor Weight Gain in Your Breastfed Baby

Marfan Syndrome in Children


Mastalgia (Breast Pain)


Mastoiditis in Children

Maternal and Fetal Infections

Maternal and Fetal Infections Overview

Maternal and Fetal Testing

Maternal and Fetal Testing Overview

Maternity Leave

Meal Planning


Measles (Rubeola) in Children

Measles, Mumps, and Rubella (MMR)

Meckel Diverticulum

Meconium Aspiration

Medical Conditions and Pregnancy

Medical Genetics: Chromosome Studies

Medical Genetics: DNA Studies for Single Gene Defects

Medical Genetics: Getting Genetic Services for Your Child

Medical Genetics: Mosaicism

Medical Genetics: Multifactorial Inheritance

Medical Genetics: Teratogens

Medical Genetics: Treatment with Gene and Enzyme Replacement Therapy

Medical Genetics: Types of Genetic Changes

Medical History and Genetic Testing

Medical Information for Americans Traveling Abroad

Medical Treatment for Obesity

Medications and the Digestive System

Medicine Rashes in Children

Medicines and Pregnancy

Megaloblastic Anemia in Children

Megaureter in Children

Melanoma: Diagnosis

Ménière Disease


Meningitis in Children

Meningococcal Infections in Children

Menopausal Hormone Therapy



Menstrual Conditions

Menstrual Cramps (Dysmenorrhea) in Teens

Menstrual Cycle: An Overview

Menstrual Disorders

Mental Health

Mental Health Conditions

Mental Health Disorders in Children and Teens

Metabolic Syndrome

Metatarsus Adductus in Children


Microcephaly in Children

Micropenis in Children

Middle Ear Infection (Otitis Media) in Adults

Migraine Headaches

Migraine Headaches During Pregnancy

Milk Allergy Diet for Children

Minor Cuts, Scrapes, and Skin Wounds

Minor Injuries Overview


Mitochondrial Inheritance: Leber's Optic Atrophy

Mitral Valve Prolapse


Molluscum Contagiosum

Molluscum Contagiosum in Children

Mood Disorders

Mood Disorders in Children and Adolescents

Mood Disorders in Teens

Mosaic Down Syndrome

Motor Vehicle Safety Overview

Mouth Rinse


Multifactorial Inheritance

Multiple Myeloma: Treatment Questions

Multiple Pregnancy

Multiple Sclerosis (MS)

Multiple Sclerosis and Pregnancy

Mumps in Adults

Mumps in Children

Muscle and Joint Injuries

Musculoskeletal Rehabilitation

Myasthenia Gravis

Myasthenia Gravis (MG) in Children

Myasthenia Gravis and Pregnancy