• Home
  • Mayo Clinic Health Library

Mayo Clinic Health Library

#AÄBCDEFGHIJKLMNOÖPQRSTUÜVWXYZ

228 Search results starting with "D"

Disease

Mitral valve disease

Learn more about diseases that affect the valve between the left heart chambers, including mitral valve regurgitation and mitral valve stenosis.
Disease

Mixed connective tissue disease

This condition has symptoms of several other conditions, making it hard to diagnose. There's no cure, but medicines can help.
Disease

Mood disorders

These conditions affect emotions. Depression causes a feeling of deep sadness. Bipolar disorder goes back and forth from being very sad to being very happy.
Disease

Movement disorders

Learn about the different types of neurological conditions that affect movement.
Disease

Moyamoya disease

This rare condition happens when blood flow to the brain is blocked or narrowed and a tiny cluster of blood vessels forms at the base of the brain.
Disease

Muscular dystrophy

Find out about the various types of this condition, which affects muscles over time. Then learn about treatments to help with the symptoms.
Disease

Myelin oligodendrocyte glycoprotein antibody-associated disease (MOGAD)

Learn about the symptoms, diagnosis and treatments for this autoimmune disease that attacks nerve fibers in the body.
Disease

Narcissistic personality disorder

This mental disorder includes an unreasonably high sense of importance, a need for excessive admiration, fragile self-esteem, and troubled relationships.
Disease

Nicotine dependence

Learn about the chemical in tobacco that makes it hard to stop smoking. Then find out about treatments and resources to help you quit.
Disease

Niemann-Pick disease

A condition passed down in families that affects how the body breaks down and uses fats. Fat buildup in cells damages the nerves, brain and other organs.
Disease

Nightmare disorder

Nightmare disorder involves disturbing or scary dreams that awaken you, causing distress or preventing adequate sleep.
Disease

Obsessive-compulsive disorder (OCD)

OCD features unwanted thoughts and fears, or obsessions. These obsessions lead to repetitive behaviors, also known as compulsions, that get in the way of daily activities.
Mehr anzeigen

© 2025 Mayo Foundation for Medical Education and Research. All rights reserved. Terms of Use

  • Home
  • Mayo Clinic Health Library