Consider how Attia tells his story about longevity in Outlive. What sources does he draw upon? Are there places where he overuses or underutilizes these sources? How do these sources impact his credibility?

What is longevity? How do Medicine 2.0 and 3.0 each approach longevity? Do you believe Medicine 3.0’s longevity approach is more effective, or less effective? Why?

How is Medicine 2.0 failing in the fight against the Horsemen diseases? In what ways do you think Medicine 3.0 could help? In what ways do you think Medicine 3.0 might still fall short?