Summary

Obes Sci Pract. 2018 May 18;4(3):289-295. doi: 10.1002/osp4.270. eCollection 2018 Jun.

Men who were thin during early adulthood exhibited greater weight gain-associated visceral fat accumulation in a study of middle-aged Japanese men.

Abstract:

Objective: This study aimed to assess the relationship between weight gain from early adulthood and visceral fat accumulation.
Methods: The participants were 549 men aged 42 to 64 years who were randomly selected from the local resident registry for the National Institute for Longevity Sciences' neighbourhood. They were asked to recall their weight at 18 years of age, and then, post-18 weight-change values were calculated for each
participant (their current weight minus their weight at 18). The participants were divided according to their median body mass index (BMI) at 18 years of age (initial BMI) (<20.14 and ≥20.14 kg m-2). Visceral fat area (VFA) and subcutaneous fat area (SFA) were measured on computed tomography scans.
Results: The participants with initial BMI of <20.14 kg m-2 exhibited greater post-18 weight changes than those with initial BMI of ≥20.14 kg m-2. The participants' post-18 weight-change values were negatively correlated with their
initial BMI and positively correlated with both VFA and SFA. The slope of the regression line for the relationship between post-18 weight change and VFA was steeper in the participants with initial BMI of <20.14 kg m-2 (β = 4.36) than in
those with initial BMI of ≥20.14 kg m-2 (β = 3.23).
Conclusions: Visceral fat accumulation is affected not only by an individual's post-18 weight gain but also by their initial BMI. Men who were thin in early adulthood experienced greater weight gain-associated VFA increases, but the same
was not true for SFA.

日本語要旨:

18歳時にやせていた男性は、中年期の現在までの体重増加量が多く、増加した体重1kg当たりの内臓脂肪面積は大きかった。

PMID:  29951220

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