ADHD medications are increasingly being prescribed to older adults, and they may cause a short-term spike in the risk of heart attack, stroke and arrhythmias, a large new study suggests.

Stimulant medications, such as Ritalin, Concerta and Adderall, are commonly used to treat attention deficit hyperactivity disorder (ADHD). But they are also increasingly being prescribed "off-label" to ol...

Use of stimulants among college students was once thought to be a problem among high achievers seeking energy and focus to study.

Not so, according to new research that links misuse of these so-called "study drugs" to binge drinking and marijuana use. The stereotype of students bumming a prescription medication like Adderall or Ritalin to study is off the mark, it suggests.

"Stimula...

ADHD medications might help lessen the risk of suicide in children with serious behavioral issues, a new study suggests.

Researchers found that medications like Ritalin and Adderall, commonly prescribed for attention-deficit/hyperactivity disorder (ADHD), were linked to a lower risk of suicidal behavior among 9- and 10-year-olds with substantial "externalizing" symptoms.

That includ...

Parents of preschoolers with attention deficit hyperactivity disorder (ADHD) may be advised to give their child medication to help them concentrate, sit still and/or control impulsive behaviors.

A new study comparing two classes of medications might help them arrive at a decision.

While stimulants are often first in line, the research shows that another class of ADHD drugs known as ...

Many young Americans are prescribed psychiatric drugs to treat medical conditions, but nearly one-third of them wind up misusing the medications, a new study finds.

"Misuse of prescription substances is alarmingly high among U.S. youth and young adults," said lead researcher Israel Agaku, a part-time lecturer in oral health policy and epidemiology at the Harvard School of Dental Medicine,...

A new study dispels a common belief about how stimulants such as Ritalin and Adderall work in the brain.

The drugs are usually prescribed to people with attention deficit hyperactivity disorder (ADHD), but are sometimes used by otherwise healthy people to boost their thinking.

Many assume these drugs improve focus, but researchers found that they actually get the brain to e...

One of the most popular and effective medications used to treat attention-deficit/hyperactivity disorder (ADHD) appears to alter the brains of boys with the disorder, a new study shows.

While the researchers couldn't say for certain whether the changes were good or bad, one ADHD expert thinks the findings suggest the changes help young males with the disorder.

For the study,...

Some parents may be reluctant to give their kids powerful stimulants to treat the symptoms of attention-deficit/hyperactivity disorder (ADHD), but a new review shows the medications bring significant benefits.

In addition to helping kids calm down and concentrate in school, the review also found that the drugs help children avoid a lot of long-term negative consequences associated wit...

Stimulant drugs used to treat attention-deficit/hyperactivity disorder (ADHD) carry a small risk of a psychotic episode, but it appears to vary depending on which medication young people use, a new study finds.

Soon after receiving a stimulant prescription, about one in 660 teens and young adults developed psychotic symptoms, such as hallucinations and hearing voices, the researchers...

Ritalin, a widely used stimulant drug to treat attention-deficit/hyperactivity disorder (ADHD), likely poses no risk of heart damage in children, new research in monkeys suggests.

The findings are "very reassuring," said the study's principal investigator, Dr. Steven Lipshultz.

Each year, more than 1.8 million children in the United States take drugs to treat ADHD. Concerns...