Why a child's birth date predicts whether they'll be medicated for ADHD

By Kate Aubusson
Updated February 9 2017 - 1:08pm, first published January 23 2017 - 6:00am
The number of people prescribd ADHD drugs has risen 31 per cent in five years in Australia.
 Photo: Keith Beaty/Toronto Star
The number of people prescribd ADHD drugs has risen 31 per cent in five years in Australia. Photo: Keith Beaty/Toronto Star
The youngest children in the class are significantly more likely to be medicated for ADHD.
The youngest children in the class are significantly more likely to be medicated for ADHD.

At face value it sounds too arbitrary to be possible.