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.
ADHD is one of the more common mental disorders diagnosed among children. Data from the 2011 National Health Interview Survey (NHIS) indicate that parents of 8.4% of children aged 3 to 17 years had been informed that their child had ADHD. For youth ages 13 to 18, the prevalence rate is 9%.