56 studies

Research Library

Peer-reviewed papers from top journals, summarized and graded by evidence strength. Updated Mon, Wed & Fri.

Last week

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Apr 12–18, 2026

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Healthy Lifestyle Didn't Change Brain Scans, But Still Helped At-Risk Seniors

In older adults at risk for cognitive decline, a two-year program of exercise, better diet, and social engagement didn't visibly change brain biomarkers like amyloid or shrinkage. But people who started with smaller hippocampi (the brain's memory hub) got more cognitive benefit from the structured version. So the lifestyle changes may help thinking even without obviously reshaping the brain.

JAMA neurology·Strong·Apr 19, 2026

Your Blood Is Both a Mirror and a Driver of How Fast You Age

Scientists are finding that the stuff floating in your blood, proteins, metabolites, and tiny vesicles, doesn't just reflect your age. It actively sets the pace of aging across organs. In animal studies, swapping old blood for young blood or filtering out pro-aging factors restored tissue function and even extended lifespan. Human trials using plasma exchange are now showing early promise for age-related decline.

Experimental & molecular medicine·Moderate·Apr 16, 2026

Cholesterol, 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.

npj aging·Moderate·Apr 15, 2026

Quail Bred to Reproduce More Aged Faster, Supporting a Core Theory of Aging

Researchers selectively bred Japanese quail for higher or lower reproductive effort across several generations. By generations five and six, the high-reproduction birds died sooner. The lifespan difference came from faster aging rates, not from being more fragile to begin with. This is some of the cleanest experimental evidence in vertebrates that investing more in reproduction comes at a real cost to longevity.

Proceedings. Biological sciences·Moderate·Apr 14, 2026

How Lactate From Exercise May Rewrite Your Genes to Slow Aging

When you work out hard, your muscles pump out lactate, the same stuff people used to blame for soreness. Researchers now think lactate acts as a messenger that tags proteins through a process called lactylation, linking your workout to long-term changes in how genes behave. This may explain how exercise protects mitochondria, calms inflammation, and keeps stem cells working across the brain, heart, and muscles. It's still early, and much of the evidence comes from animal and cell studies.

Ageing research reviews·Preliminary·Apr 14, 2026

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.

GeroScience·Moderate·Apr 13, 2026

Apr 5–11, 2026

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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.

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