A new study shows medication could play a big role in slashing the number of car crashes on the road.
The study looks at drivers living with attention-deficit/hyperactivity disorder.
The study found that one in five car crashes involving the 2 million people with ADHD in the study could have been avoided if they had been taking their medication.
Researchers out of Sweden say it's the core symptoms of the disorder that boost the chance of crashes – such as hyperactivity, inattention and excessive risk taking.
The study shows that male ADHD patients who take regular medications have 38 percent lower risk of car crashes.
The number goes up to 42 in female patients.
Most ADHD drugs, like Ritalin and Adderall, are stimulants which help people focus.
Researchers say every patient reacts differently to different medications, so people should consult their doctor before using or getting behind the wheel.
The findings were published online May 10 in the journal JAMA Psychiatry.
Cox Media Group