Treating children for worms yields long-term benefits, says new study
Parasite load seems to affect negatively cognitive abilities.<p>Decreased Parasite Load and Improved Cognitive Outcomes Caused by Deworming and Consumption of Multi-Micronutrient Fortified Biscuits in Rural Vietnamese Schoolchildren
<a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3144834/" rel="nofollow">https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3144834/</a><p>Parasite load explains  67% of the worldwide variation in intelligence:
"Parasite prevalence and the worldwide distribution of cognitive ability"
<a href="https://royalsocietypublishing.org/doi/abs/10.1098/rspb.2010.0973" rel="nofollow">https://royalsocietypublishing.org/doi/abs/10.1098/rspb.2010...</a>