Aging & Longevity News and Discussions

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Popular Anti-Aging Treatment May Actually Cause Brain Damage

https://scitechdaily.com/popular-anti-a ... in-damage/

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Study Reveals a Turning Point When Your Body's Aging Accelerates
By Michele Starr
March 20, 2026

Introduction:

(Science Alert) The passage of time may be linear, but the course of human aging is not.

Rather than a gradual transition, your life staggers and lurches through the rapid growth of childhood and the plateau of early adulthood, to an acceleration in aging as the decades progress.

A study identified a turning point at which that acceleration typically occurs: around age 50.

After this time, the trajectory at which your tissues and organs age is steeper than the decades preceding, according to a study of proteins in human bodies across a wide range of adult ages – and your veins are among the fastest to decline.

"Based on aging-associated protein changes, we developed tissue-specific proteomic age clocks and characterized organ-level aging trajectories," writes a team led by scientists from the Chinese Academy of Sciences in their paper published in 2025.

Read more here: https://www.sciencealert.com/study-rev ... celerates

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A hidden DNA region helps drive frailty, exposing brain and immune links that reshape aging risk

https://medicalxpress.com/news/2026-04- ... ation.html

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Precision Anti-aging Strategies Aim to Target Harmful Senescent Cells While Preserving Beneficial Ones
May 15, 2026

Introduction:

(Eurekalert) The study was led by first author Jian Deng and corresponding author Dong Yang from the Department of Targeting Therapy and Immunology, Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan, China. In this comprehensive review, the authors examine how cellular senescence contributes to aging and age-related disease across multiple organ systems, while also highlighting the emerging complexity and functional diversity of senescent cell populations. Traditionally, senescent cells have been viewed primarily as harmful byproducts of aging, characterized by irreversible cell-cycle arrest and chronic inflammatory signaling. However, growing evidence suggests that some senescent cells also play beneficial physiological roles in tissue repair, embryonic development, and maintenance of tissue homeostasis.

The review outlines how senescence develops in major tissues including the liver, lungs, kidneys, heart, adipose tissue, brain, and skin. Across these organs, aging-related cellular dysfunction is driven by a combination of oxidative stress, mitochondrial dysfunction, DNA damage, chronic inflammation, metabolic stress, telomere shortening, and environmental insults such as ultraviolet radiation and pollution. The authors describe how senescent cells accumulate in highly specialized cell populations—including hepatocytes, endothelial cells, fibroblasts, macrophages, astrocytes, and epithelial cells—where they can disrupt normal tissue architecture and promote chronic disease progression.

Importantly, the article emphasizes that senescent cells are highly heterogeneous and should not be treated as a uniform population. Depending on the tissue context and biological environment, senescent cells may exert either protective or harmful effects. For example, certain senescent cells may help limit fibrosis or support wound healing, whereas others drive chronic inflammation, metabolic dysfunction, tissue degeneration, and cancer progression. This growing recognition of functional heterogeneity has prompted a major shift in anti-aging research away from indiscriminate elimination of senescent cells toward more selective and precision-based therapeutic strategies.

Read more here: https://www.eurekalert.org/news-releases/1128402

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At least 80% responsibility for ill health in old age down to individual, study says

Wed 20 May 2026 12.27 BST

Individuals bear at least 80% of the responsibility for their ill health in old age, according to a report aimed at challenging the belief that physical decline is either inevitable or primarily the responsibility of the state.

The report, launched at the Smart Ageing Summit in Oxford last week, argues that individuals have far greater control over their longevity than is commonly understood. The authors call on the government to take legislative action on alcohol comparable to restrictions on smoking.

Living Longer, Better – the Oxford Longevity Project’s first Age-less report – was co-authored by an interdisciplinary panel of UK-based experts in medicine, physiology, ageing and education policy. It was sponsored by Oxford Healthspan.

The report’s authors, Sir Christopher Ball, Sir Muir Gray, Dr Paul Ch’en, Leslie Kenny and Prof Denis Noble, present the figure of 80% as a conservative estimate.

Ball, a 91-year-old former Parachute regiment officer who intends to reach 100, said: “Some have gone higher and said it’s approaching 90%. But I think 80% seems about fair.”

https://www.theguardian.com/society/202 ... ject-study

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