Ask the Chatbot Games & Quizzes History & Society Science & Tech Biographies Animals & Nature Geography & Travel Arts & Culture ProCon Money Videos
attention-deficit/hyperactivity disorder
Table of Contents
References & Edit History Quick Facts & Related Topics
Images & Videos
The science behind Adderall
left cerebral hemisphere of the human brain
For Students
attention deficit (hyperactivity) disorder summary
Quizzes
full human skeleton
Diseases, Disorders, and More: A Medical Quiz
Encyclopaedia Britannica thistle graphic to be used with a Mendel/Consumer quiz in place of a photograph.
44 Questions from Britannica’s Most Popular Health and Medicine Quizzes
Discover
Frowning little girl. Angry annoyed
Is Body Language Universal?
Leonardo da Vinci (1452-1519), Italian Renaissance painter from Florence. Engraving by Cosomo Colombini (d. 1812) after a Leonardo self portrait. Ca. 1500.
10 Famous Artworks by Leonardo da Vinci
M17, the Swan Nebula, is a star-making cloud in the constellation Sagittarius.
How Do We Know How Far Away the Stars Are?
Florence, Italy Statue of David by Michelangelo
How a Rejected Block of Marble Became the World’s Most Famous Statue
The Colosseum, Rome, Italy. Giant amphitheatre built in Rome under the Flavian emperors. (ancient architecture; architectural ruins)
New Seven Wonders of the World
A Factory Interior, watercolor, pen and gray ink, graphite, and white goache on wove paper by unknown artist, c. 1871-91; in the Yale Center for British Art. Industrial Revolution England
Inventors and Inventions of the Industrial Revolution
Baseball laying in the grass. Homepage blog 2010, arts and entertainment, history and society, sports and games athletics
10 Greatest Baseball Players of All Time

attention-deficit/hyperactivity disorder: Facts & Related Content

verifiedCite
While every effort has been made to follow citation style rules, there may be some discrepancies. Please refer to the appropriate style manual or other sources if you have any questions.
Select Citation Style
Share
Share to social media
URL
https://www.britannica.com/facts/attention-deficit-hyperactivity-disorder
Written and fact-checked by
The Information Architects of Encyclopaedia Britannica

The Information Architects maintain a master list of the topics included in the corpus of  Encyclopædia Britannica, and create and manage the relationships between them.
The Information Architects of Encyclopaedia Britannica

News •

Telehealth for ADHD treatment linked to higher substance use disorder risk • Mar. 6, 2025, 5:30 AM ET (News-Medical)
Rise in ADHD Cases Raises Questions • Mar. 4, 2025, 4:58 AM ET (VOA - Voice of America English News)
Research finds a strong link between Western diet during pregnancy and ADHD • Mar. 3, 2025, 8:18 AM ET (Medical Xpress)
Study shows rates of ADHD up in adults with autism, intellectual disability • Feb. 27, 2025, 9:53 PM ET (Medical Xpress)
World's Most Common Painkiller During Pregnancy Linked to ADHD • Feb. 27, 2025, 2:37 PM ET (ScienceAlert)

Facts

Also Known As ADHD • attention deficit disorder • ADD

Photos and Videos

left cerebral hemisphere of the human brain
The science behind Adderall
See All Videos and Images →

Related Topics and References

Topics

Related Quizzes and Features

Quiz
full human skeleton
Diseases, Disorders, and More: A Medical Quiz
Encyclopaedia Britannica thistle graphic to be used with a Mendel/Consumer quiz in place of a photograph.
44 Questions from Britannica’s Most Popular Health and Medicine Quizzes