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<\/p>\nThe widespread assumption that ageing becomes a concern only in one’s fifties represents a fundamental misunderstanding of human biology, according to molecular biologist Dr Marion Gruffaz.<\/p>\n
Dr Gruffaz, who holds a doctorate from University Lyon I\/Paris V and completed postdoctoral research in cancer biology at the University of Southern California, argues cellular deterioration starts far earlier than most people realise.<\/p>\n
“At the molecular level, the processes that drive accelerated ageing, including NAD+ decline, the buildup of senescent cells, and the gradual breakdown of protein quality control, all begin in the late 30s,” she told GB News.<\/p>\n
“Waiting for symptoms is the single biggest error.”<\/p>\n
‘Sleep is a cellular ageing issue’<\/p>\n
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Beyond the timing misconception, Dr Gruffaz identified persistent mild sleep deprivation as an everyday habit that most individuals drastically undervalue.<\/p>\n
She is not referring to clinical insomnia but rather the practice of shortening one’s rest by an hour or so each night.<\/p>\n
“During deep sleep, the brain’s glymphatic system clears the metabolic waste that accumulates in neurons throughout the day,” she noted.<\/p>\n
“Disrupting that process repeatedly accelerates neuroinflammation and has measurable effects on biological age markers.”<\/p>\n
The molecular biologist contends that society has fundamentally mischaracterised insufficient sleep. <\/p>\n
When asked to rank interventions by their biological significance, Dr Gruffaz places sleep protection at the apex, followed by preserving muscle through weight-bearing exercise.<\/p>\n
“Most people frame sleep loss as a productivity issue. It is actually a cellular ageing issue,” she said. <\/p>\n
“Maintain muscle mass through resistance training starting no later than your early 40s.”<\/p>\n
The third priority concerns a molecule called NAD+, which she describes as essential for both energy production and genetic repair within cells.<\/p>\n
“NAD+ is the central currency of cellular energy and DNA repair,” Dr Gruffaz noted. <\/p>\n
Addressing its decline proactively, she argues, represents one of the most effective strategies available to those seeking to slow their biological clock.<\/p>\n
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Scientists stress the urgency of early action to combat ageing<\/p>\n
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The molecular biologist is emphatic that her recommendations should not be dismissed as mere lifestyle adjustments.<\/p>\n
“These are not lifestyle tweaks. They are direct interventions on the mechanisms that determine how fast your cells age,” she states.<\/p>\n
The urgency of early action becomes apparent when one considers the scale of NAD+ depletion over time.<\/p>\n
“It drops by roughly 50 per cent between your 30s and your 50s,” Dr Gruffaz observes.<\/p>\n
For those who have spent decades believing that ageing is a distant concern, her message is clear: the biological processes that determine how we age are already well underway.<\/p>\n","protected":false},"excerpt":{"rendered":"The widespread assumption that ageing becomes a concern only in one’s fifties represents a fundamental misunderstanding of human…\n","protected":false},"author":2,"featured_media":562000,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[59,102,6958,50,2331,56,54,55],"class_list":["post-561999","post","type-post","status-publish","format-standard","has-post-thumbnail","category-health","tag-gb","tag-health","tag-longevity","tag-news","tag-sgg","tag-uk","tag-united-kingdom","tag-unitedkingdom"],"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/posts\/561999","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/comments?post=561999"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/posts\/561999\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/media\/562000"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/media?parent=561999"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/categories?post=561999"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/tags?post=561999"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}