Body Ages in Bursts, New Research Suggests

New research reveals that the human body ages in rapid bursts, particularly around age 44 and again at 60, contrary to the notion of graceful or gradual aging. The study, published in Nature Aging, indicates that certain molecules in our body undergo significant increases or decreases during these periods.

"We're not just changing gradually over time; there are some really dramatic changes...It turns out the mid-40s is a time of dramatic change, as is the early 60s. And that's true no matter what class of molecules you look at," said Michael Snyder, the study's senior author and a professor of genetics at Stanford University School of Medicine. Stanford University site

Research Methodology and Findings

The study analyzed data from 108 participants who provided blood and other samples periodically over several years. Researchers examined age-related changes in over 135,000 molecules, proteins, and microbes.

Results showed that approximately 81% of the molecules and microorganisms analyzed displayed more significant increases or decreases at specific ages, particularly in the mid-40s and early 60s. These changes were associated with cardiovascular disease, skin and muscle health, metabolism, and kidney function, among other things.

Expert Advice

Based on these findings, experts advise people approaching these age bursts to maintain their exercise routines to improve muscle health and cardiovascular markers. Additionally, they recommend monitoring lipid levels in the mid-40s and controlling carbohydrate intake and hydration in the 60s to support kidney function.

The research team aims to further explore the biology of aging, offering improved guidance and emphasizing the importance of adopting healthy lifestyle adjustments proactively.

Original article by Mike Snider, USA TODAY