ADHD

ADHD is a medical condition that affects how well anyone can sit still, focus, & pay attention. People with ADHD have differences in the parts of their brains that control attention & activity. This means that they may have trouble focusing on sure tasks & subjects, or they may appear "wired," act impulsively, & get in to trouble.
Signs & Signs of ADHD

ADHD, or attention deficit hyperactivity disorder, was known as attention deficit disorder, or ADD. In 1994, it was renamed ADHD. The term ADD is sometimes still used, though, to report a kind of ADHD that doesn't involve hyperactivity.

Because ADHD is a broad section covering different things  attention, activity, & impulsivity it can show up in different ways in different people. A quantity of the signs of ADHD are when anyone:

Although ADHD begins in childhood, sometimes it is not diagnosed until a person is a teen & occasionally not even until anyone reaches adulthood.

  has difficulty being attentive or staying focused on a task or activity
  has issues finishing assignments at school or home & jumps from activity to another
  has trouble focusing on instructions & difficulty following through
  loses or forgets things such as home-work
  is basically distracted, even when doing something fun
  has issues paying close attention to details or makes careless mistakes
  has trouble organizing tasks & activities
  has difficulty waiting one's turn
  interrupts or intrudes on other people
  blurts out answers before questions have been completed
  fidgets with hands or feet or squirms about when seated
  feels restless
  talks excessively & has trouble engaging in activities quietly