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What are the two major findings that guide our current understanding of aging based on the research from the Baltimore longitudinal study of aging (BLSA)?

For over six decades, the Baltimore Longitudinal Study of Aging (BLSA) has revolutionized gerontology, fundamentally changing our understanding of the aging process. This landmark research provides an authoritative answer to the question, **what are the two major findings that guide our current understanding of aging based on the research from the Baltimore longitudinal study of aging (BLSA)?**