https://lifestylemedicine.stanford.edu/wp-content/uploads/2026/03/Third_Span_Blog_Image.png423907sbrockhttps://lifestylemedicine.stanford.edu/wp-content/uploads/2025/10/SLM_LOGO.pngsbrock2026-03-25 13:43:322026-03-25 18:09:51The 3 ‘Spans’ of Longevity: A New Framework for Living Longer, Better, and More Fully