Welland (2011 population 50,631) is a city in the Regional Municipality of Niagara in Southern Ontario, Canada. The city is located in the centre of Niagara.
More than 5 million U.S. children, or 9.5 percent, have been diagnosed with ADHD as of 2007, according to the U.S. Centers for Disease Control and Prevention. Kids with the condition may act more impulsively, and have difficulty paying attention and controlling their behavior.
Since 2007, 5.4 million children ages 4 to17 have been diagnosed with ADHD, and 66 percent reported taking medication to treat their symptoms, according to the U.S. Centers for Disease Control and Prevention. A majority of children are diagnosed with ADHD by age 7. Researchers looked at data of nearly 12,000 Icelandic children born between 1994 and 1996, each of whom began taking medication for ADHD sometime between fourth and seventh grades.