Are left-handed people more likely to have ADHD?
Emma Payne
Published Jan 11, 2026
Left-handedness has been linked to increased risk of certain neurodevelopmental disorders like schizophrenia and ADHD. Mixed-handedness is even more strongly associated with ADHD.
What problems do left-handed people face?
Here are some of the struggles lefties face in day-to-day life:
- Finding a comfortable desk position. ...
- Handling household equipment and devices. ...
- Using public transport. ...
- Elbow wars and being pushed to the far left. ...
- Measuring cups, tapes, rulers — all favour the righties.
Do left-handed people have more learning disabilities?
A series of new studies show that left-handed people are more likely to suffer from learning disabilities, stuttering, migraine headaches and, according to the latest findings, autoimmune diseases, like ulcerative colitis, myasthenia gravis and celiac disease, in which the body attacks its own tissues.
Does being left-handed affect IQ?
Although data suggested that right-handed people had slightly higher IQ scores compared to left-handers, the scientists noted that intelligence differences between right and left-handed people were negligible overall.
What are the disadvantages of being left-handed?
On the flip side, lefties have some disadvantages too.
- Lefties are more worried about making mistakes, more sensitive to criticism and are easily embarrassed. ...
- Lefties are quick to anger. ...
- Left-handed people have a higher risk of brain disorders like schizophrenia, dyslexia or hyperactivity disorders.
What month are most lefties born in?
There do seem to be significantly higher births of lefthanders in July and August than expected from the normal overall trends. There is also a smaller but still significant-looking peak for lefthanders in January and February.
Why is it so rare to be left-handed?
-Counting how many people are left-handed is more difficult than it looks, because of variations in preference and skill from task to task and because of left-handers having been forced to write with their right hand, but the best estimate we have is that roughly 10% of the world population is left-handed.
Do lefties think differently?
End of dialog window. However, results from a 2009 study by Stanford University concluded that left-handed people may indeed think different to those who are right handed, or at least, they see the world a little differently.
Are lefties more intelligent?
Right-handers rejoice, handedness may affect intelligence. The idea that left-handed people are more intelligent than right-handers is a myth. There have been lefty geniuses in history like Leonardo da Vinci, but this is not part of a larger pattern. If anything, the opposite is true.
Is left-handed a disability?
The Mouthwire article claiming left-handed people are eligible for disability is completely false. Disability is a program designed to help those who are unable to work. Being left-handed does not prevent someone from working.
What traits do left-handers have?
Five personality traits of left-handed people
- Lefties are more creative.
- Left-handed people have a big advantage at competitive sports.
- Lefties are more likely to suffer from mental illness.
- Lefties hear speech differently.
- Left-handed people tend to be more fearful.
Is ADHD a disability?
ADHD is considered a developmental disability, not a learning disability. Accommodations can often be made in the classroom or work environment to help people with ADHD be more successful. Therapy and medications are also helpful for managing the symptoms of ADHD.
Do lefties hear speech differently?
Lefties Hear Speeches Differently
The left hemisphere, which controls the right hand, likes rapidly-changing sounds like consonants, while the right hemisphere, which controls the left hand, likes slowly-changing sounds like syllables or intonation.
Why can't left handers use scissors?
Right-handed scissors are designed with the top blade on the right for RIGHT-HANDERS to use easily. If you try to use them in your LEFT hand you can't se your cutting line and they do not cut properly, tearing the paper or material.
Is it harder to be left-handed?
Lefties make up 10% of the world's population. Lefties have to endure lots of little daily struggles righties might not think about. Swiping credit cards and cutting with scissors are just two things that are harder for lefties. Visit Insider's homepage for more stories.
What country has the most lefties?
McManus which found that the Netherlands has one of the world's highest prevalences of left-handedness at 13.23 percent. The United States isn't far behind with a rate of 13.1 percent while neighboring Canada has 12.8 percent. Elsewhere, rates of left-handedness are far lower and China is a good example.
Is Einstein left-handed?
But handedness has its roots in the brain—right-handed people have left-hemisphere-dominant brains and vice versa—and the lefties who claim Einstein weren't all that far off. While he was certainly right-handed, autopsies suggest his brain didn't reflect the typical left-side dominance in language and speech areas.
Are left-handers good at math?
The results, published in Frontiers, show that left-handers outperformed the rest of the sample when the tasks involved difficult problem-solving, such as associating mathematical functions to a given set of data.
What do you call left-handed person?
One popular slang term for left-handers is “southpaw." This term originated in the sport of baseball.
Do left-handers have better memory?
Those with left-handed relatives excel in episodic memory test. Lefties--or at least relatives of lefties--may be better than right-handed people at remembering events, according to a new study.
Are left-handed people messy?
3) Left-handers have messier handwriting
Apparently you are more likely to have messy handwriting if you are left-handed. Sarah-Jane says: “Languages that are written left-to-right, like English, are physically challenging to write with the left hand.”
How rare is a left-handed girl?
Similar results were also reported by a recent study that investigated left-handedness in the UK Biobank study, a large dataset with about 500,000 participants (de Kovel et al., 2019). Here it was found that in the UK, 8.6 percent of women and 10.6 percent of men were left-handed.
What are the benefits of being left-handed?
8 Advantages Only Left-Handed People Have
- They are more likely to pass a driving test. ...
- They can make more money. ...
- They are faster typists. ...
- They have better problem-solving skills. ...
- They are better at some sports. ...
- They spend less time standing in lines. ...
- They are more likely to excel in creative and visual arts.
Is left-handed genetic?
Causes of left-handedness
Just why one in 10 people favour their left hand is a mystery. A straightforward genetic link hasn't been proven, and it is possible for two right-handed parents to have a left-handed child. Theories include: Genes – perhaps genetic factors predispose a child to favour the right hand.
Is being left-handed a birth defect?
Summary: Left-handedness is sometimes the expression of a genetic defect or an early developmental disturbance. Left-handedness is sometimes the expression of a genetic defect or an early developmental disturbance.