"A study in the journal Nature Aging made headlines claiming that rather than aging gradually, humans age in accelerated "bursts," specifically at age 44 and 60. I saw this news all over my social media when it first came out, mostly from fellow Gen Xers nodding in agreement that our aging bodies had taken sudden and dramatic turns for the worse."
"The study gathered data from 108 people aged 25-75, all volunteers from Northern California. The respondents provided blood, stool samples, oral, skin, and nasal swabs every three to six months, over a median follow-up period 1.7 years. From these samples, the scientists analyzed a lot of biological markers. In addition to "traditional" measures you might get from your doctor, such as blood glucose and cholesterol levels, the deep biological profiling included what are called multi-"omics" measures."
Data were gathered from 108 volunteers aged 25–75 in Northern California, with blood, stool, oral, skin, and nasal samples collected every three to six months for a median 1.7-year follow-up. Multi-omics and traditional clinical measures were analyzed, revealing apparent accelerated changes in several biological markers around ages 44 and 60, including shifts in alcohol and caffeine metabolism. The small, nonrepresentative sample, short follow-up, and potential confounders limit the ability to generalize these burst-like patterns. Individual health behaviors and lifestyle factors are likely more actionable for improving biological markers than focusing on calendar age milestones.
Read at Psychology Today
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