Daily briefing: People older than 100 have more cancer-killing cells

TL;DR - Nature’s daily research briefing highlights evidence that killer T cells might contribute to exceptional longevity in people older than 100. It also covers advances in long-lived brain organoids and proposals for mass newborn genome screening.

• Centenarians were reported to have more cancer-killing immune cells, suggesting a possible link between immune surveillance and longevity.
• The briefing mentions the longest-lived brain organoids produced so far.
• It also examines how large-scale genome-screening programs for newborns might operate.
• The provided excerpt does not include study methods, quantitative findings, or details about any AI techniques.