Down syndrome (trisomy 21) – causes, symptoms, diagnosis, & pathology

What is Down syndrome (trisomy 21)? Down syndrome is a set of symptoms that arise from a genetic abnormality, in which an … source

Attention deficit hyperactivity disorder (ADHD/ADD) – causes, symptoms & pathology

What is ADHD? ADHD and ADD are synonymous terms used to describe when a child displays symptoms related to not being … source