Nobel Laureate Envisions Pill to Halt Aging, Raise Lifespan Concerns
September 28, 2025
A Nobel Prize-winning Scottish chemist, Professor David MacMillan, believes that rapid advancements in biology and cellular reprogramming could soon lead to a pill that pauses human aging and possibly enables indefinite lifespan.
He asserts that stopping aging through medical treatments is more achievable than many realize, with ongoing research focused on understanding and manipulating biological processes like cellular senescence.
Recent experiments, including studies involving mice, have demonstrated that immune cells such as T cells can be reprogrammed to fight inflammation and combat aging, highlighting promising progress in the field.
Current research is actively working on developing therapies for age-related diseases like Alzheimer’s and cancer, with drugs for Alzheimer’s potentially available within five years.
MacMillan explains that aging is driven by biological processes such as cellular senescence, and theoretically, reprogramming the body to replace cells continuously could enable indefinite lifespan extension.
He strongly believes that cures for many diseases are within reach due to increasing biological understanding and collaborative research efforts.
The growing investment by pharmaceutical companies in neuroscience and disease research indicates a belief that major breakthroughs in treatments for Alzheimer’s and cancer are imminent.
While optimistic about scientific progress, MacMillan raises ethical concerns about indefinite life extension, questioning the sustainability and fairness of such technology, especially regarding resource limitations and social inequality.
Beyond his scientific pursuits, MacMillan funds Scottish youth through his foundation, supporting education for underprivileged students, reflecting his commitment to social causes.
He advocates for greater public awareness of scientific advancements, believing many people are unaware of the significant progress and potential benefits in aging and disease research.
Research at Cold Spring Harbor Laboratory using CAR-T cell therapy in mice has shown that reprogramming immune cells to eliminate senescent cells can lead to healthier tissues and potential anti-aging benefits.
Summary based on 2 sources
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Sources

The Times • Sep 28, 2025
Ageing could be stopped in its tracks, says Nobel prizewinner
The Scottish Sun • Sep 27, 2025
Nobel prize scientist says a pill for humans to live FOREVER & pause ageing ‘closer than we think’ ...