Deena Mousa @deenamousa.com · Apr 15

🧱 In 2000s Mexico, a program replaced dirt floors with $150 worth of concrete. The results of a World Bank evaluation: – 49% less diarrhea – 81% less anemia – 78% drop in parasitic infections – Large gains in child cognition & adult well-being /4

2 likes 1 replies

?

Replies

Deena Mousa · Apr 15

There’s no RCT, and the effect sizes feel... almost too big. But a replication held up. If this generalizes even a little, replacing dirt floors could rival or beat many targeted public health interventions. /5