There's overwhelming consensus that breast-feeding is the optimal way to feed an infant. But the topic of how breast-feeding may influence cognitive ability is controversial. Guerilla/Getty Images hide caption

toggle caption
Guerilla/Getty Images

The Salt

Breast-Fed Kids May Be Less Hyper, But Not Necessarily Smarter, Study Finds

Prior research points to an association between breast-feeding and higher intelligence, but a new study finds no causal link. The study does find that breast-fed kids are less hyperactive at age 3.

Yalieth Gonzalez and her baby Micaela Delgado at the Maternal Infant Studies Center at the University of Puerto Rico. Marisa Penaloza/NPR hide caption

toggle caption
Marisa Penaloza/NPR

Living With Zika In Puerto Rico Means Watching, Waiting And Fearing Judgment

  • Download
  • <iframe src="https://www.npr.org/player/embed/519653931/521622787" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

Washington, D.C., lawyer Jeffrey Lovitky is suing President Trump over Trump's financial disclosure forms. Peter Overby/NPR hide caption

toggle caption
Peter Overby/NPR

Lawyer Sues Trump, Saying He'd Rather Not

  • Download
  • <iframe src="https://www.npr.org/player/embed/521408872/521622821" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

Blatant discrimination against older workers is illegal, but new research shows that it can be harder to get hired when you're older. Aleutie/Getty Images/iStockphoto hide caption

toggle caption
Aleutie/Getty Images/iStockphoto

Too Much Experience To Be Hired? Some Older Americans Face Age Bias

  • Download
  • <iframe src="https://www.npr.org/player/embed/521266749/521622827" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">