We have the treatments to end health problems like infant diarrhea. Sendhil Mullainathan says the "last mile" nudge is to encourage people to use them.
A panel of advisers to the Centers for Disease Control and Prevention recommended against using a needle-free flu vaccine that's popular with pediatricians, parents and children.
In mice, monkeys and people, exercise releases a protein called cathepsin B. And as blood and brain levels of this protein rise, memory gets better. But the protein has a dark side, too.
NPR's Lulu Miller tells the story of one runner who always believed he could break the four-minute mile. Then a terrible accident made him question if he would ever be the same runner.
A nutrition app may not be the top priority for someone who struggles to pay for groceries. But cellphones have the potential to improve the health of people with low incomes, if they can get them.
House Speaker Paul Ryan unveiled the health care component of congressional Republicans' policy agenda Wednesday, a long-awaited alternative to the Affordable Care Act.