Aging: This Is What Happens Inside Your Body Right After Exercise

5 months ago

Aging: This Is What Happens Inside Your Body Right After Exercise

The concept of reversing aging, once relegated to the realm of science fiction, has now become a topic of serious scientific exploration. Recent discoveries in this field provide valuable insights into the aging process itself.

For decades, the mantra “it’s just part of getting older” has echoed through our understanding of aging. However, this mantra may soon become obsolete. By unraveling the intricacies of the aging process, scientists are uncovering promising avenues for novel interventions that could potentially alter our biological clocks.

This newfound knowledge offers a glimpse into a future where age-related decline may no longer be an irrevocable fate. It opens doors to exploring innovative approaches that could redefine our understanding of aging and pave the way for transformative advancements in longevity and healthspan.

Researchers at Amsterdam UMC have made a groundbreaking discovery revealing that a specific type of fat accumulates in aging tissues and can be reversed through exercise. Their study, published in Nature Aging, involved analyzing both mice and human tissue samples before and after exercise, leading to this significant finding.

“The idea that we could reverse aging is something that was long considered science fiction, but these findings do allow us to understand a lot more about the aging process,” remarks Professor Riekelt Houtkooper from Genetic Metabolic Diseases of Amsterdam UMC.

“Everyone says that ‘it’s just part of getting older,’ but this doesn’t actually have to be true. By understanding more about the aging process, we can also look into new ways of intervening,” remarks first author Georges Janssens.

Recent laboratory research suggests that targeting fundamental aging processes could potentially mitigate age-related diseases. Despite advancements in understanding metabolic changes during aging, significant gaps in knowledge persist.

Lipids are essential components of our diet and play a critical role in cell function, forming cell membranes that separate the interior and exterior environments, according to Houthkoope.

To delve deeper into this new area of research, the team studied how fat composition changes in mice by examining ten different tissues, such as muscles, kidneys, liver, and heart. They observed that a specific lipid type, bis(monoacylglycero)phosphates (BMPs), was elevated in all tissues from older animals, indicating lipid accumulation during aging.

Subsequently, they explored whether this lipid accumulation phenomenon also occurs in humans. Although they couldn’t analyze as many tissues in humans, they found elevated BMP levels in muscle biopsies from older individuals.

To further investigate the impact of lifestyle interventions, the team conducted additional muscle biopsies on individuals both before and after adopting a healthy routine that included one hour of daily exercise. Notably, they observed a decrease in BMP levels among the active participants following the exercise intervention.

“These results are an important new step for our understanding of the aging process, but they are certainly not the final answer,” adds Houthkooper.

Their future research aims to conduct follow-up studies aimed at gaining a deeper understanding of how BMPs contribute to the aging process, exploring the consequences of BMP accumulation on aging, and investigating whether exercise is the sole factor influencing BMP levels or if there are other methods to modulate BMP levels.

Source: 10.1038/s43587-024-00595-2

Image Credit: Gettyimages

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