Attention-deficit hyperactivity disorder and can be defined by an inability to pay attention, impulsivity, excessive energy and hyper-fixation. It is a neurodevelopmental disorder that mostly effects children but often persists into adulthood, and has become the most common mental health condition to affect children in recent years on a global scale. This has caused a huge debate in the scientific community as to what exactly is behind the monumental rise in the number of cases of ADHD around the world.
What are the most compelling theories for the huge rise in ADHD diagnoses?

