Adult film actress Stormy Daniels testified on Tuesday at former President Trump's hush money trial. NPR's Ximena Bustillo shares the latest. Then, Alzheimer's researcher Yudong Huang talks about newly published research that indicates that one in six cases of Alzheimer's may be inherited through the gene APOE4. And, the wellness industry is booming with products that purport to measure one's biological age. But scientists can't even agree on what it is. STAT's Angus Chen tells us more.<br/><br/>Learn more about sponsor message choices: <a href="https://podcastchoices.com/adchoices">podcastchoices.com/adchoices</a><br/><br/><a href="https://www.npr.org/about-npr/179878450/privacy-policy">NPR Privacy Policy</a>

How a 'Klansman's Son' became anti-racist

The news you need to know today — and the stories that will stick with you tomorrow. Plus, special series and behind-the-scenes extras from Here & Now hosts Robin Young, Scott Tong and Deepa Fernandes with help from Producer Chris Bentley and the team at NPR and WBUR.