50 Fun Facts About ADHD

Which book hero, a son of Poseidon, learns that his ADHD is really a demigod's battlefield reflexes?

Percy Jackson began as bedtime stories that author Rick Riordan made up for his son Haley, who has ADHD and dyslexia.

Which American swimmer, diagnosed with ADHD as a boy, took up the sport partly as an outlet for his energy?

Michael Phelps was bullied at school over his ADHD, then grew up to win a record 23 Olympic gold medals.

Which American gymnast spoke up about her ADHD after hackers leaked her Olympic medical records in 2016?

Simone Biles replied that having ADHD was no cause for shame, and she went on to become the most decorated gymnast in history.

A tongue-in-cheek 2000 paper by Canadian paediatricians diagnosed which fictional bear with inattentive-type ADHD?

Winnie-the-Pooh was not the only patient: the same doctors weighed a stimulant for bouncy Tigger and an antidepressant for gloomy Eeyore.

Which Simpsons character is put on the made-up drug Focusyn after a diagnosis of attention deficit disorder?

Bart goes on a rampage in a stolen army tank in the 1999 episode Brother's Little Helper, a satire on the misdiagnosis of children's behaviour.

Which children's book hero did Dav Pilkey, who has ADHD, create at the hallway desk where teachers often sent him?

Captain Underpants was born in an Ohio elementary school, and Pilkey, who also has dyslexia, went on to create the Dog Man books too.

Which ADHD medicine did chemist Leandro Panizzon name after his wife Marguerite, who took it for low blood pressure?

Ritalin comes from Rita, Marguerite Panizzon's nickname; her husband first made the drug in 1944, and it was approved in the United States in 1955.

A 2021 Finnish study of over 11,000 pets found ADHD-like hyperactivity, impulsivity and inattention in which animals?

Dogs scored higher when they were male or spent long hours alone at home, and differences between breeds pointed to an inherited streak.

According to research on school year groups, which children in a class are the most likely to be diagnosed with ADHD?

The youngest pupils can be almost a year behind classmates in maturity, and that ordinary immaturity can be mistaken for ADHD.

EndeavorRx, cleared by the FDA in 2020 to treat children with ADHD, was the first approved treatment of which kind?

The video game grew out of a research prototype called NeuroRacer, and children can play it only on prescription.

Despite its reputation at children's parties, research has cleared which food ingredient of causing ADHD?

Sugar sits with too much television and bad parenting on the list of popular culprits that research does not support.

Twin and family studies suggest which factor explains roughly three-quarters of the differences in who has ADHD?

Genes matter so much that someone with a parent or sibling who has ADHD is four to five times more likely to have it too.

Which group more often has ADHD overlooked, because their symptoms lean toward inattention rather than disruption?

Girls tend to turn their symptoms inward, and the signs often become more obvious only at a change of school or the start of puberty.

Which brain chemical, tied to reward and motivation, runs low in ADHD and is boosted by methylphenidate?

Dopamine works alongside norepinephrine in the brain's planning circuits, which helps explain why a stimulant can settle a restless child.

Which brain region behind the forehead, vital for planning and attention, matured years late in an NIMH study of ADHD?

Prefrontal cortex growth ran up to five years behind, yet the scans showed ADHD brains developing in the normal order, only later.

NIMH scans found one brain area that matures faster than usual in children with ADHD: the area controlling what?

Movement areas raced ahead while the regions meant to direct them ran late, a mismatch the researchers thought might explain restlessness.

Which term, often likened to a state of flow, describes the intense absorption many people with ADHD report?

Hyperfocus sits oddly beside the inattention ADHD is named for: a person can lock on to one absorbing task so firmly that everything else is missed.

Which toy craze of 2017 was marketed as an aid for ADHD, although studies have not backed the claim?

Fidget spinner use caused so much classroom disruption that school districts in the US, UK and Australia banned the toys outright.

Which word, first printed in a 1998 article by journalist Harvey Blume, treats ADHD as natural human variation?

Neurodiversity is short for neurological diversity, a phrase that autistic people had been using in online communities since about 1996.

Which singer and longtime coach on The Voice fronted the 2011 Own It campaign about living with ADHD as an adult?

Adam Levine, the Maroon 5 frontman, was diagnosed as a teenager and wanted adults to know that childhood ADHD can carry on.

Which drug, sold in the 1930s as a decongestant inhaler, did Dr Charles Bradley find improved children's schoolwork?

Benzedrine was the first amphetamine on the market, and Bradley's surprise finding in 1937 is the root of today's stimulant treatment for ADHD.

Children in Dr Charles Bradley's 1937 trial of a stimulant nicknamed their medicine after which school subject?

Arithmetic pills was the children's own name, coined as their schoolwork improved; Bradley had only been trying to ease their headaches.

Weikard and Crichton, the first doctors to describe ADHD-like inattention, both later served which country's rulers?

Russia employed Weikard at the court of Catherine the Great and Crichton as physician to Tsar Alexander I, years after each had written about inattentive patients.

Sir George Still, an early describer of ADHD in 1902, also lends his name to a childhood form of which illness?

Arthritis in children was the subject of his doctoral thesis, and the feverish form he described is still called Still's disease.

Which 1845 German children's book by Heinrich Hoffmann features a restless boy often read as an early portrait of ADHD?

Struwwelpeter's Zappel-Philipp will not sit still at dinner and sends the whole meal to the floor, and Germans still use his name as slang for ADHD.

Thom Hartmann's popular theory casts people with ADHD as which ancient group, living in a society built for farmers?

Hunters would have found such traits useful, the idea goes, though Hartmann, whose own son has ADHD, called it a mental model and not hard science.

Which ADHD medicine began life as a weight-loss pill called Obetrol before being renamed in the 1990s?

Adderall got its name after Richwood Pharmaceuticals bought the diet pill's maker in 1994 and began promoting the drug for attention problems.

Methylphenidate and amphetamine, the two main ADHD stimulants, are both also prescribed for which sleep disorder?

Narcolepsy is on the label because the same medicines that steady attention also increase wakefulness.

Which productivity trick, popularised by people with ADHD, relies on having another person present while you work?

Body doubling works even over a phone call: the companion only has to be there, which makes it easier to stay on task.

Which set of mental skills, including working memory and self-control, do scientists place at the heart of ADHD?

Executive functions also cover attentional control and flexible thinking, and ADHD involves atypical development of the brain networks behind them.

Which Black Eyed Peas frontman and coach on The Voice UK revealed in 2013 that he has ADHD?

will.i.am formed the group in 1995 with fellow rappers apl.de.ap and Taboo, and later launched his own technology company.

Which Magic Mike star has spoken of growing up with attention deficit disorder and dyslexia?

Channing Tatum has said both made school a struggle; he later drew on his own months as a stripper in Florida for the film.

Which carpenter turned host of Extreme Makeover: Home Edition was diagnosed with ADHD at the age of 17?

Ty Pennington had behaviour problems throughout childhood before the diagnosis, and later won two Emmy Awards for the series.

Which Deal or No Deal host and America's Got Talent judge revealed his ADHD on a morning talk show in 2008?

Howie Mandel also has OCD, and wrote about living with both in his autobiography, Here's the Deal: Don't Touch Me.

Which US low-cost airline was founded by David Neeleman, an entrepreneur who has been diagnosed with ADHD?

JetBlue is one of five airlines Neeleman has founded, a list that also takes in WestJet, Azul and Breeze.

Which star of The Simple Life co-wrote a song titled ADHD for her 2024 album Infinite Icon?

Paris Hilton has said she has taken medication for ADHD since childhood, and she has written about the condition for Teen Vogue.

Which British tycoon, told by his headmaster he would end up in prison or a millionaire, has ADHD?

Richard Branson, who also has dyslexia, left Stowe School at sixteen and went on to found the Virgin Group.

Which director of Lady Bird and Little Women has been diagnosed with ADHD?

Greta Gerwig followed those films with Barbie, the first film by a solo female director to gross over a billion dollars worldwide.

Which actor, the Hulk of the Avengers films, has described a childhood struggle with undiagnosed ADHD and dyslexia?

Mark Ruffalo says he was a happy kid all the same, though the difficulties followed him into his years as a young adult.

On which platform did Jessica McCabe launch How to ADHD in 2016, years after her own diagnosis at age 12?

YouTube is where the channel began, and McCabe turned it into a self-help book published in 2024.

Which American psychiatric manual, known by three initials, first used the name ADHD in its 1987 revision?

DSM editions had earlier called the condition hyperkinetic reaction of childhood in 1968 and attention-deficit disorder in 1980.

Which international agency's disease classification listed ADHD as hyperkinetic disorder until its eleventh revision?

World Health Organization codes are the usual standard in Europe, while North America and Australia mostly follow the American psychiatric manual.

ADHD Awareness Month, promoted each year by groups such as CHADD and ADDA, falls in which month?

October hosts the campaign, though its organisers point out that learning about ADHD is worthwhile all year long.

In a small 2009 study, children with ADHD concentrated better after a 20-minute walk through which kind of place?

A city park beat walks through a downtown area and a neighbourhood, with an effect the researchers compared to that of ADHD medication.

A 2019 European consensus statement named which everyday habit as a strong predictor of ADHD in adults?

Mind wandering may predict adult ADHD even better than the classic signs of inattention or restlessness, the statement noted.

Which British rapper, whose stage name is a spoonerism of his surname, ran a cooking school for children with ADHD?

Loyle Carner called the school Chilli Con Carner, and his stage name also nods to his own childhood ADHD and dyslexia.

Which Panic! at the Disco frontman, the band's only constant member, was diagnosed with ADHD at a young age?

Brendon Urie was recruited by a high-school classmate in 2004 and sang on all seven of the band's studio albums.

Which American sprinter, the 100 m champion at the 2024 Olympics, says he has attention deficit disorder and dyslexia?

Noah Lyles has also posted about living with asthma, allergies, anxiety and depression.

Which ADHD book series did psychiatrist Edward Hallowell, who says he has the condition, write with John Ratey?

Driven to Distraction grew into a series, and Hallowell, who says he also has dyslexia, built his clinics around the strengths that can come with ADHD.

Which non-stimulant ADHD medicine, approved in the US in 2002, was first developed as an antidepressant?

Strattera, or atomoxetine, proved too weak against depression in testing but turned out to help with attention instead.