More people are living longer. According to Pew Research Center, within the next 30 years, the population of Americans age 100 and over is expected to increase more than fourfold. With an aging population, how will the stages of our lives shift and expand?

In this episode from 2019, Andrew Scott, longevity expert and economics professor at the London Business School, discusses what individuals and society can consider about the challenges and opportunities of living longer for. One upside, Scott says, is “this gift of time” means that people will be younger for longer

Stat: 45%: The share of U.S. adults who describe research scientists as good communicators.

Story: How does good communication help build trust in science? In this episode of “After the Fact,” we sit down with Hank Green—a science communicator and “internet guy” with over 30 million subscribers across his YouTube channels—to help answer this question.

Green reflects on how his 2023 Hodgkin lymphoma diagnosis inspired him to better connect with his audience and educate them about the science behind his treatment journey. He also speaks about the challenges of combating misinformation in today’s world, and why empathy, transparency, and clarity are key to fostering greater understanding.

Stat: 1 in 4: More than 2 million Americans suffer from opioid use disorder, but only about 1 in 4 receive any care.

Story: Opioid use has become a major public health problem in the United States, but there are many obstacles to treatment, including stigma. In this episode, members of Pew’s substance use prevention and treatment team explain how to overcome barriers to care—and how new rules from the quarantine days of the pandemic can help show the way.

We also hear from Jordan Scott, an advocate for people with substance use disorders in Pennsylvania, who shares her own long journey with addiction and the obstacles she faced.

Please note that this episode references addiction and self-harm.

If you or someone you know needs help, please call or text the Suicide and Crisis Lifeline at 988 or visit 988lifeline.org and click on the chat button.