When we think of childhood allergies, we typically picture watery eyes, sneezing, or hives. However, underlying allergic reactions can sometimes manifest as extreme restlessness and behavioural challenges, occasionally leading to a misdiagnosis of Attention-Deficit/Hyperactivity Disorder (ADHD). A Classroom Wake-Up Call Years ago, while teaching in Scarborough, Ontario, I had a student who was incredibly energetic. In my hands-on classroom, this was never an issue; students were encouraged to move around and channel their physical energy into their learning. Unfortunately, the educator slated to teach him the following year favoured a much stricter, sedentary approach. Concerned by the child's activity levels, this colleague demanded to know when I planned to advise the parents that their son had ADHD. My response was clear: "I am an educator, not a medical professional, and it is not my place to make a clinical diagnosis." However, the interaction spar...