Breath, cold and recovery, grounded in science. Longevity isn't a single hack. It's a handful of basics, practiced well and often. Start with one guided breath session and seven simple days.
• The Big Five, a 10-minute guided breath session. Seated, gentle and practical.
• A one-page 7-day guide. One simple, low-risk practice a day across all seven fundamentals.
• Greetings Captains. One letter a month: a fundamental, the science simplified, and a practice to try.