I examined longevity data to reveal which habits truly add years to life. Here’s what I found to be the top tier interventions:
Walking: 12,000 steps daily can increase lifespan by 10+ years—a 65% reduction in mortality risk.
Exercise: HIIT and strength training reduce mortality by around 24%, each adding 2-4 years with just 1-2 sessions weekly.
Sauna: Regular sauna use can cut mortality risk by 25%, adding over 4 years of life expectancy.
Focus on the habits with the biggest returns.
Read the full breakdown: 
The Longevity Tiers
