Core Insights - The study conducted by scientists from Karolinska Institute in Sweden tracked the life trajectories of 274,108 individuals over 30 years, revealing that centenarians significantly delay and simplify the onset of diseases [3][4][19]. Group 1: Key Findings on Longevity - Centenarians exhibit a pattern of delayed disease onset, leading to a compressed period of illness in their later years [6][64]. - The health trajectory of centenarians shows a lower disease burden starting from age 70, compared to their peers who live to 75-95 years [20][24]. - The average number of diseases diagnosed at age 85 for future centenarians is 1.2, while for those who will die at 90, it is 2.4, indicating a significant difference in health status [24][25]. Group 2: Disease Patterns - Cardiovascular diseases (CVD) are the primary health threat for older adults, but centenarians have a much lower burden from these diseases, with only 24.8% of their disease burden attributed to CVD at age 70, compared to 51.6% for those who will die at 75 [32][33]. - Centenarians show a remarkable immunity to neuropsychiatric diseases, with an average of only 0.006 diagnoses at age 80, compared to 0.060 for their peers [36][37]. - Cancer appears more frequently in the disease burden of centenarians, but this is attributed to a "survivor effect," as they live longer and face cancer risks later in life [40][44]. Group 3: Disease Co-occurrence - Centenarians tend to experience diseases in isolation rather than in combination, with only 0.9% of them having both cardiovascular and musculoskeletal diseases at age 80, compared to 2.8% of non-centenarians [50][51]. - This ability to isolate diseases helps centenarians avoid the complications associated with multimorbidity, which is common in those with shorter lifespans [47][49]. Group 4: Gender Differences in Longevity - While the overarching principles of longevity apply to both genders, specific health challenges differ; men face more urinary system diseases, while women contend with musculoskeletal diseases [54][55]. - Targeted health management strategies can be developed based on these gender-specific challenges [56][57]. Group 5: The Ultimate Theory of Longevity - The study emphasizes the concept of "compression of morbidity," aiming to minimize the time spent suffering from diseases and functional decline to the final years of life [58][59]. - Centenarians enjoy a longer "healthspan," experiencing fewer health issues for a more extended period before facing significant illness [63][64].