Some parents have chosen to either limit the amount of Halloween candy their child can bring to school, or not let them take any at all.Photo by Getty Images

How packing Halloween candy in your child’s lunch may affect their ability to focus in class

Candy may at first give children a lot of energy, which 'may be expressed in hyperactivity,' but they will eventually become tired. Neither is conducive to learning

by · National Post

With Halloween, comes candy and junk food. And with that comes high energy in kids looking for more treats before they crash.

Research has shown a connection between high sugar intake and cognitive function.

In the days after Halloween, kids often go to school with their lunches filled with the candy they got while trick-or-treating. Then, they fill their bodies with all the treats, and their teachers have to manage their fluctuating energy.