Michelle Yeoh, who won the Academy Award for Best Actress on Sunday, delivered a rallying cry for Hollywood's older actresses during her acceptance speech. Evan Agostini/AP hide caption
ageism
The phrase "OK, boomer" has gone global. It has become young generations' retort to ideas they consider outdated or off base. Neil Webb/Getty Images/Ikon Images hide caption
Actress Sally Field attends the premiere of Hello, My Name Is Doris during the 2015 SXSW Festival last March. Michael Buckner/Getty Images hide caption
A program based at Sinai Hospital in Baltimore offers a two-day series of assessments for older surgeons, evaluating "physical and cognitive" function. iStockphoto hide caption
The U.N. wants better health for older folks, like nomadic herder Mijiddorj Ayur of South Gobi, Mongolia. John W. Poole/NPR hide caption