But at the same time it's quite simply not all our fault, and it needs to be a joint effort between Pakistan and between other countries as well to try to stamp out extremism.
"With this data now available from more than one study, it really becomes the responsibility of parents, physicians, and teachers to pay attention to the relative-age effect and not intervene with treatment and labeling of children who it's no fault of their own what time of year they were born, " Garland says.