It’s 3pm in the afternoon. I’m lying on a massage bed in the middle of the Bhutanese mountains. On the menu? A treatment I can honestly say I’ve never had before. “Is the butter warm enough for you?” ...

Here's a yoga technique that sounds fake but isn't: roll your tongue backward, past the soft palate, and into your nasal cavity. Hold it there. That's Khechari mudra, and people have been doing it for ...