While previous research has linked genetic factors to the cause of attention-deficit/hyperactivity disorder, there is yet to be conclusive evidence to identify the specific genes that can cause the neurodevelopmental disorder.
However, a new study out of Denmark is getting closer to identifying these specific genes and why ADHD can develop in some and not others.in January, analyzed data on more than six million genetic variants in 38,691 people with ADHD and 186,843 people without the disorder. The researchers were able to identify 27 variations in the human DNA code that were most present in people with ADHD; however, they estimate there could be as many as 7,300 of these genetic variants.
According to the Center for ADHD Awareness, Canada, the most common symptom of ADHD is a reduction in attention span and concentration. People with ADHD can experience being hyperactive by talking excessively or being impulsive, while others can be inattentive and some can experience a combination of both. In Canada, ADHD affects an estimated 1.8 million people.
"I'm glad that these researchers are doing this genetic research because we need more science to understand the causes of ADHD."
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