But there's been a host of severe famines since World War II across the Sahel. It is possible that the reliability of birth data would have improved over this period to a degree sufficient to support research techniques.
In fact, there's been research along these lines in SSA already, especially regarding the impact of malnourishment on intellectual development among other factors.
Still, important research that goes to show that famines have generational effects that extend all the way to the genetic level.
Is this in any way based on Amazon Polly?