More U.S. adults are being diagnosed with ADHD.

Up to 5% of children also suffer from sleep apnea -- even infants can have it. But just like in adults, kids with sleep apnea often go underdiagnosed or even misdiagnosed.

The Centers for Disease Control and Prevention estimates 6 million children between the ages of 3 and 17 have been diagnosed with attention deficit/hyperactivity disorder.

There’s a nationwide shortage of a drug prescribed to people with ADHD.

A study on kids with ADHD reveals some surprising findings about the drugs’ effectiveness.

ORLANDO, Fla. – Nine million U.S. adults deal with ADHD, but 85% of them don’t know they have it! While it develops during childhood, some people don’t know they have until they are adults. “I definitely felt overwhelmed a lot,” said Maria Edwards, an adult with ADHD. And since 80% of adults with ADHD have trouble sleeping, wind down by turning any lights off 90 minutes before bed. While the true cause is not clear, it is possible ADHD runs in families, so genes may play a role.