Diet, exercise, and behavioral interventions
Researchers found that cutting calorie intake by 50% in mice slowed age-related damage to the liver and kidneys, reducing fibrosis, metabolic stress, and cellular senescence markers. The protective effect appeared linked to activation of SIRT1, …
The growing demand for minimally processed clean-label foods has intensified interest in natural antimicrobials as alternatives to synthetic preservatives. However, very little is known about the antimicrobial potential of several wild edible plants when incorporated …
Researchers discovered that aging pancreas alpha cells trigger inflammatory immune responses linked to type 2 diabetes. In mice, calorie restriction reversed this inflammation by reducing immune cell recruitment to the pancreas. This suggests a new …
OBJECTIVES: Observational studies have consistently shown physical activity associated with lower mortality. Randomized controlled trials to confirm the value of physical activity for lifespan in the general population are challenging to conduct. To address this …
BACKGROUND: Sarcopenia, characterized by the progressive age-related decline in skeletal muscle mass, strength, and function, represents a major unmet need in geriatric health. Effective and safe interventions to prevent or ameliorate muscle atrophy are urgently …
A major clinical trial tracked 864 different metabolites in people doing long-term caloric restriction and found distinct shifts in carbohydrate and fat metabolism—with early changes during weight loss giving way to compensatory responses during weight …
The annual CRN-International symposium, “Food Is Medicine: The Role of Nutrition in Extending Healthspan” sought to address the profound impact of dietary habits on health and healthy lifespan, as judicious nutritional choices can serve as …
In mice, intermittent fasting triggers the production of a metabolite called β-hydroxybutyrate that signals cells to activate DNA repair and antioxidant defense programs in the hippocampus. These protective effects persisted even after mice resumed normal …
This review argues that combining topical skin treatments (retinoids, peptides, antioxidants) with internal supplements (NAD+ precursors, collagen peptides, polyphenols) can target multiple aging mechanisms simultaneously. While conceptually sound, the paper is a narrative review without …
Researchers exposed C. elegans worms to odors from the Maillard reaction (the browning that happens when food is cooked) and found it extended lifespan, improved movement, and boosted stress resistance—effects that depended on activating a …
This collection brings together 16 studies from researchers worldwide showing that circadian rhythms—your body's 24-hour internal clock—play a central role in aging and longevity. By understanding how these rhythms break down with age, scientists are …
Researchers found that lifelong restriction of valine, a branched-chain amino acid in protein, improved metabolic health and reduced aging markers in both male and female mice, but only extended lifespan in males by 23%. The …
Researchers analyzed sleep duration against 23 biological aging markers across multiple organ systems and found a U-shaped pattern: both too little (<6 hours) and too much (>8 hours) sleep are linked to faster biological aging, …
Researchers found that female fruit flies on very low-cholesterol diets had shorter lifespans and developed leaky gut problems. Interestingly, not all flies showed gut damage before dying, suggesting cholesterol may be essential for maintaining intestinal …
A Reddit post discusses a study showing that exercise removes senescent (damaged) cells from muscle tissue, reactivates stem cells, and improves insulin sensitivity in middle-aged adults with obesity. The post frames exercise as a cellular-level …
A Reddit discussion summarizes findings from a Nature Biobank study showing vigorous-intensity exercise provides dramatically greater mortality and disease risk reduction per minute compared to moderate or light activity. The post claims just 9 minutes …
A secondary analysis of a small diet intervention trial found that consuming polyphenol-rich foods (green tea, turmeric, berries, etc.) was associated with reduced epigenetic age—a molecular measure of biological aging. However, this was a pilot …
A 15-year study tracking 146 nutrients in 829 people found spermidine showed the strongest inverse association with mortality risk—equivalent to ~5.7 years of age reduction. The post acknowledges important uncertainty: spermidine may simply be a …
A study of over 100,000 UK adults found that five well-known healthy eating patterns—from Mediterranean to plant-based diets—were each associated with 1.5–3 extra years of life by age 45, with benefits holding true regardless of …
Beta-hydroxybutyrate (BHB), a ketone body produced during ketogenic diets and caloric restriction, correlates with lifespan extension in mice and appears mechanistically linked to longevity through glucagon signaling. The video presents mouse model data showing BHB's …