When people can't afford rent, they often end up in closer quarters. NPR health policy correspondent Selena Simmons-Duffin shares two stories from her reporting and the research being done on housing and eviction policies in the US. For more of Selena's reporting, check out "Why helping people pay rent can fight the pandemic" (https://n.pr/3BIluHt).Follow Selena on Twitter @SelenaSD. You can email Short Wave at ShortWave@NPR.org.