The (world’s oldest) practicing doctor is in! You loved our story on longevity tips from Dr. Howard Tucker, the 102-year-old neurologist. So now we’re asking him your questions: What do you want to know about aging, longevity, or living a healthier life? 

Now, on to this week's stories.

Wrinkles, joint pain, gray hair. We spend so much time figuring out how to fight the signs of aging, but experts say that aging isn’t a bad thing. Here’s what actually gets better with age. 

More stories:
— When does old age begin? Science says later than you might think.
— Your body ages rapidly in two ‘bursts,’ at 44 and 60. Here’s how to prepare.

Science tells us that a marathon runner’s peak performance years are between ages 25 and 35. But that doesn’t mean they’re your best years. Take it from these runners, all 70 and over, who crossed the finish line of this year’s Boston Marathon: You don’t need to let age slow you down.

Though most associate skin cancer with sunbathing, tanning beds, and botched sunscreen application, it turns out that plenty of skin cancers occur without the help of the sun and its potent UV rays. Luckily, you can always catch it visually. Here’s why dermatologists want you to redefine your relationship with the skin you’re in.

Today’s newsletter was edited and curated by Jennifer Baik and produced by Alisher Egamov. Did someone forward this to you? Sign up here to get this newsletter and more.