Studies Indicate That Individuals With This Blood Type Have a Higher Likelihood of Living to 100

research used the AMORIS cohort. AMORIS is a population-based resource built from clinical laboratory testing in Stockholm County. It includes more than 800,000 people, but this study focused on 44,636 participants born between 1893 and 1920 who had blood tests between 1985 and 1996. Everyone was followed from the first test until death, or until the end of 2020. During follow-up, 1,224 people reached their 100th birthday. About 85% of the centenarians were women, which reflects broader survival patterns in Sweden at that time. The team linked the lab data to several national registers using Swedish personal identification numbers. That