As NAD+ injections and IV drips trend from TikTok to the Kardashians, the science of longevity remains a work in progress. Explore the benefits, side effects, and the debate between oral precursors ...

In this letter, I’m going to offer a possible way of thinking about long COVID symptoms and how to treat them.

Outdoor saunas have become increasingly visible in backyards, retreats, and wellness-focused homes. So, how do they help longevity?