Post conducting a retrospective investigation of 44,672 patients who were confirmed to have the condition, the researchers divided the outbreak into five phases
The newly discovered Neanderthal remains dubbed as Shanidar Z who lived almost 70,000-years-ago was excavated at Shanidar Cave in the foothills of Iraqi Kurdistan
For the study, researchers looked at data from questionnaires filled up by parents of 2,022 children in the Canadian Healthy Infant Longitudinal Development (CHILD) Cohort Study