New Study Reveals Age-Related Metabolic Changes That Impact Health in Our 40s and 60s
Researchers share that there is a molecular-level explanation as to why health risks increase with age
As we age, the risk of health decline becomes a primary concern for many. A recent study reveals that specific age-related metabolic changes in our 40s and 60s could explain why we face increased health risks as we grow older. Keep scrolling to learn more about how to best prepare for changes due to aging.
What the study revealed about age-related metabolic changes ?
In a study from Nature Aging, researchers found that molecules and microorganisms, both within and around our bodies, undergo profound changes in two distinct decades of life: our 40s and 60s.
Woman's World Answers
At 44 years old, the body undergoes a key metabolic shift, altering the way lipids and alcohol are metabolized. These metabolic changes in the 40s and 60s are crucial to understanding how aging affects our overall health. At age 60, the change is more evident in carbohydrate metabolism. These shifts were reflected in the participants’ RNA, proteins and microbiomes.
While some may assume that these metabolic changes mean we burn calories slower with age, the results revealed that we do so differently — not slower.
According to the study, these changes may be linked to significant variations in cardiovascular health and immune function, such as the risk of developing kidney disease after age 60.
How was this study on aging conducted?
This recent study from Nature Aging is follow-up research to a 2020 study from Nature Medicine that examined aging differences across 108 participants ages 25 to 75.
For the 2024 study, researchers conducted longitudinal research on bloodwork samples from the 108 participants.
This longitudinal study on metabolism used multi-omics profiling to observe participants over time, providing deeper insights into age-related metabolic changes and their impact on health. In this case, the original study’s participants continued to donate samples for several years.
According to the researchers, the longitudinal design enhanced the reliability and validity of their findings compared to a cross-sectional study, which would have only examined data from a population at a specific point in time.
The specific method used in this study is called multi-omics profiling which looks at several biological factors in humans, such as their genome and microbiome.
What do the results of this study on aging mean for you?
This recent study from Nature Aging maintains the previously reported statistic that our metabolism plateaus until around age 60, before a gradual decline in later years.
While the long-term effects of these metabolic shifts remain under investigation, the study confirms that metabolism changes in our 40s and 60s affect how we process alcohol and caffeine, impacting overall metabolic health in later years.
These changes could also be influenced by lifestyle choices or behavioral factors.
Michael Snyder, one of the study’s authors and a professor of genetics and director of the Center for Genomics and Personalized Medicine at Stanford Medicine, told NBC News that the changes in alcohol metabolism might be because people are drinking more in their mid-40s.
As research continues to uncover the effects of metabolic changes in later life, experts recommend healthy aging tips like maintaining a balanced diet and regular exercise to support metabolism and reduce health risks as we age.
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