Across every intervention and control group in three separate mouse studies, the estimated rate of vitality decline was consistently lower than the rate of survival decline; for example, female mice on 40% caloric restriction had a mean vitality-decline rate of 0.00011 compared to a survival-decline rate of 0.00079.
Sources
- Life-extending interventions do not necessarily result in ... - PMC (pmc.ncbi.nlm.nih.gov)
- https://link.springer.com/article/10.1007/s11357-025-01925-x (link.springer.com)
- https://mouseion.jax.org/stfb2026/74/ (mouseion.jax.org)
More in Science
- The 2020–2025 Dietary Guidelines for Americans recommend consuming no more than 2,300 milligrams of sodium per day.
- Results of the Italian implementation study of "Music and Motherhood" were published in the journal Frontiers in Medicine in October 2024.
- The NIA Interventions Testing Program found that acarbose significantly extended lifespan in both sexes of UM-HET3 mice, but the effect was much greater in males than in females (Harrison et al., 2014).
- A tyrannosaur fossil from Montana, part of the 'Dueling Dinosaurs' specimens, was determined to belong to an approximately 20-year-old animal that had finished growing, supporting the case that it represents Nanotyrannus lancensis rather than a juvenile Tyrannosaurus rex.
- The study "'Feeling' or 'sensing' the future? Testing for anomalous cognitions in clinical versus healthy populations" was published in the journal Heliyon in November 2022.
- The Younger Dryas cold period began about 12,900 years ago, when glacial temperatures returned within decades, and ended abruptly around 11,700 years ago after roughly 1,200 years.