Calorie Restriction & Longevity: Humans & Animals
- While reducing calorie intake may seem like a straightforward path to weight loss, the reality is more nuanced.
- For nearly a century,studies have indicated that caloric restriction can extend lifespan in various animals,from worms and flies to rodents and even monkeys.
- The impact of caloric restriction appears more consistent than that of some drugs touted for their anti-aging properties. While drugs like rapamycin and metformin have shown lifespan-extending potential...
Explore the compelling link between caloric restriction and longevity in both animals and humans. Discover how restricting calorie intake can possibly extend lifespans in various species, from rodents to monkeys, with more consistent results than some anti-aging drugs.Experts are carefully examining the benefits and risks, noting that while the approach shows great promise, it’s essential to understand that it isn’t always healthy, and negative effects are possible. Rodent lifespans have been extended by a noticeable margin in some studies. A review of 167 studies found caloric restriction more impactful than certain pharmaceutical interventions. News Directory 3 delivers the most up-to-date findings. What’s next is a crucial deeper dive into long-term impacts, as scientists work toward understanding the best balance. Discover what’s next …
Caloric Restriction: Weighing Benefits and Risks
While reducing calorie intake may seem like a straightforward path to weight loss, the reality is more nuanced. Experts caution that restricting calories, especially with a low body mass index, isn’t always healthy. Some research suggests potential negative effects on wound healing, metabolism, and bone density.
For nearly a century,studies have indicated that caloric restriction can extend lifespan in various animals,from worms and flies to rodents and even monkeys. Rodent lifespans, for example, have been extended by 15% to 60% in some studies.
The impact of caloric restriction appears more consistent than that of some drugs touted for their anti-aging properties. While drugs like rapamycin and metformin have shown lifespan-extending potential in some animal studies, caloric restriction has demonstrated more robust results.
A review of 167 published studies revealed that caloric restriction had the most significant effect on longevity in research animals. Rapamycin showed some comparable results, but metformin proved far less effective, according to research published in Aging Cell.
David Clancy, a lecturer in biogerontology at Lancaster University, said the findings were ”a pity for the many people now taking off-label metformin for lifespan extension,” adding, “Let’s hope it doesn’t have any or many adverse effects.”
Another review,encompassing 99 clinical trials and over 6,500 adults,examined the effects of caloric restriction and fasting in humans. This underscores the long-standing interest in this area of research.
What’s next
Further research is needed to fully understand the long-term effects of caloric restriction on human health and longevity. Scientists continue to investigate the optimal balance between potential benefits and risks.