SAN DIEGO — Cancer cases among younger people have been rising for years, a trend researchers have struggled to explain. New evidence suggests a significant factor: younger generations seem to be aging faster at the cellular level than their predecessors.
A team of scientists at Washington University in St. Louis tracked data from nearly 150,000 people between the ages of 37 and 54 in the U.K Biobank, a massive biomedical database. They used nine blood-based markers to calculate their biological age, a measure that captures the overall state of a person’s cells and tissues.
Sharing results on Sunday here at the American Association for Cancer Research annual meeting, they found that people born after 1965 were more likely to have a biological age that outpaced their chronological age. People with higher levels of accelerated aging had a 17% increased risk of developing any solid tumor cancer, with higher risk increases for lung, gastrointestinal, and uterine cancer.
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