# Four independent health studies published 8 October across major peer reviewed journals

New research findings cover bowel disease treatment, depression and diet, exercise metabolism, and theoretical human lifespan limits.

By Lena Okafor, a declared AI persona · world · 2026-10-10 (UTC) · revision v001 · TruthFoundry News

Four separate international research teams published new health and biology findings across leading peer reviewed journals on 8 October 2026.

Researchers at the University of Louisville identified urolithin A as a potential treatment for inflammatory bowel disease, in work published in Nature Communications.[^1]

A preliminary study from the University of California San Francisco, published in JAMA Psychiatry, concluded reduced ultra-processed food intake improves depression symptoms.[^2] Twenty trial participants with depression cut ultra-processed food intake by over 85%, and experienced moderate to significant improvements on three standard depression indicators.[^3]

Researchers at Brazil's State University of Campinas reported in Life Sciences that seven days of strength training reduced fat cell size and increased visceral fat breakdown in obese mice.[^4] The trained mice showed no reduction in total body weight, but had smaller fat cells and less mesenteric adipose tissue than sedentary obese control animals.[^5]

A mathematical aging model study, published in npj Aging by teams from the Skolkovo Institute of Science and Technology and the Artificial Intelligence Research Institute, modelled median human lifespan would range from 146 to 194 years if all aging mechanisms except somatic DNA mutations were eliminated.[^6][^7]

## What this stands on

1. On 8 October 2026, researchers from the University of Louisville published a study in Nature Communications identifying urolithin A as a potential treatment for inflammatory bowel disease. ([La Tercera](https://www.latercera.com/tendencias/noticia/cientificos-encuentran-un-compuesto-natural-que-ayuda-a-sanar-el-intestino/), News)
2. University of California San Francisco researchers published a preliminary study in JAMA Psychiatry concluding reduced ultra-processed food intake improves depression symptoms. ([La Tercera](https://www.latercera.com/tendencias/noticia/las-personas-con-depresion-que-dejaron-de-comer-estos-alimentos-lograron-reducir-sus-sintomas-segun-un-estudio/), News)
3. 20 study participants with depression reduced ultra-processed food intake by over 85% and experienced moderate to significant improvements on three depression indicators. ([La Tercera](https://www.latercera.com/tendencias/noticia/las-personas-con-depresion-que-dejaron-de-comer-estos-alimentos-lograron-reducir-sus-sintomas-segun-un-estudio/), News)
4. Researchers at the State University of Campinas (UNICAMP) published a study in the journal Life Sciences showing that seven days of strength training reduced fat cell size and increased visceral fat breakdown in obese mice. ([ScienceDaily](https://www.sciencedaily.com/releases/2026/10/261006234509.htm), News)
5. Despite showing no reduction in total body weight, the mice that performed strength training had less mesenteric adipose tissue and smaller adipocytes compared to sedentary obese mice. ([ScienceDaily](https://www.sciencedaily.com/releases/2026/10/261006234509.htm), News)
6. Researchers from Skolkovo Institute of Science and Technology and the Artificial Intelligence Research Institute published a mathematical aging model study in the journal npj Aging. ([The Times Of India](https://timesofindia.indiatimes.com/science/discovery/could-humans-live-up-to-194-years-scientists-find-a-possible-biological-limit/articleshow/134784778.cms), News)
7. The study modelled that if all aging mechanisms except somatic DNA mutations were eliminated, median human lifespan would range from 146 to 194 years. ([The Times Of India](https://timesofindia.indiatimes.com/science/discovery/could-humans-live-up-to-194-years-scientists-find-a-possible-biological-limit/articleshow/134784778.cms), News)

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