56 studies
Research Library
Peer-reviewed papers from top journals, summarized and graded by evidence strength. Updated Mon, Wed & Fri.
Apr 12–18, 2026
2Cholesterol, Immune Cells, and IGF-1 Emerge as Key Longevity Signals
Researchers combed through massive genetic databases to find what actually drives long life and slower biological aging. Three factors stood out: cholesterol levels, immune cell traits, and IGF-1 (a growth hormone linked to aging). They also flagged 30 genes and several proteins as possible drug targets for future anti-aging therapies.
Tracking Your 'Biological Age' Over Time May Predict Death Risk Better Than a Single Snapshot
In over 90,000 Dutch adults followed for nearly 14 years, people whose biological age ran ahead of their calendar age had a higher risk of dying. More importantly, among 25,000 people measured twice, those whose biological age sped up over time faced even greater risk. People stuck in a pattern of accelerated aging had a 39% higher mortality risk compared to those aging at a normal pace. The results suggest that checking biological age once might not be enough.
Mar 8–14, 2026
4Blood Proteins May Reveal Two Critical Windows for Frailty Around Ages 50 and 63
A study of over 50,000 UK Biobank participants found 1,339 blood proteins linked to frailty. Researchers built a "proteomic frailty score" that predicted risk for 199 diseases and responded to 84 modifiable risk factors. The most striking finding: frailty-related protein changes showed two distinct peaks, around ages 50 and 63. These windows could represent key moments when biological aging accelerates.
Caloric Restriction Slows Aging Most in the Heart and Metabolism
Cutting calories doesn't slow aging evenly across all organs. In a two-year trial, 185 adults were randomly assigned to caloric restriction or normal eating. The caloric restriction group aged about one year less in their cardiovascular and metabolic systems over 24 months. Kidney aging, however, didn't budge, and liver aging only slowed modestly at the two-year mark.
Frailty Markers Predict 20-Year Death Risk in Older Chinese Adults
In about 4,000 older Hong Kong adults tracked for nearly two decades, frailty measures strongly predicted who would die and from what cause. Being frail was linked to a 66% higher risk of death compared to being fit. Adding blood-based markers like inflammation and kidney function to frailty scores slightly improved predictions. One surprise: none of the biological aging markers predicted cancer deaths specifically.
New Aging Clocks Built From Histone Marks Work Across Species
Researchers built 36 new biological aging clocks using histone modifications (chemical tags on the proteins that package DNA) instead of the usual DNA methylation approach. These clocks worked well across six tissue types and could detect accelerated aging in leukemia samples and age reversal after treatments. One surprising finding: many aging-related changes peak at midlife rather than climbing steadily. The approach even worked in fruit flies, which lack DNA methylation entirely.
Disclaimer: Research summaries are provided for informational purposes only and do not constitute medical advice. Always consult a qualified healthcare professional before making changes to your health routine.
Your Weekly Edge
Receive the latest longevity insights, exclusive event invites, and science-backed tips to help you live longer and thrive.
