People who live with attention-deficit/hyperactivity disorder , known widely as ADHD , may be at a 70 percent greater risk of early death than people without the condition, according to new research.

Those diagnosed with the brain disorder - the most common brain disorder in children - had a 90 percent higher risk of suicide, a 55 percent higher risk of death from both intentional and accidental injuries and a 27 percent higher risk of death from natural causes, U.K. researchers said in analysis of 16 million adults included in19 studies .

The findings are worrying for the over 15.5 million Americans who live with ADHD and point to the influence of known symptoms, including difficulty with impulse control and attention that impacts the ability to follow healthy behaviors, such as diet and exercise.

There is evidence that people with ADHD are more likely to face mental health problems, too.…