Dan Buettner says air-popped popcorn and beans may boost longevity.

Longevity expert Dan Buettner promotes air-popped popcorn as a low-cost, nutritious snack that may support long life, highlighting its fiber, antioxidants, and whole-grain benefits. In a TikTok video, he emphasized its affordability and alignment with Blue Zone diets, noting plain popcorn outperforms processed snacks. He cautioned against butter, sugar, or oil, which reduce health benefits. Buettner also praised beans as a top longevity food, citing research linking them to increased lifespan.