Frequent, light-moderate alcohol consumption was associated with maintenance of normal weight; although heavy drinking was linked to obesity, effect sizes were modest

How alcohol consumption influences obesity in middle-aged men: A systematic review. Laura Sayers. The Journal of Health Design, Apr 2021. https://www.journalofhealthdesign.com/JHD/article/view/130

Abstract: This systematic review analyzes how alcohol consumption impacts the weight of middle-aged men. Frequent, light-moderate alcohol consumption was associated with maintenance of normal weight. Although heavy drinking was linked to obesity, effect sizes were modest. Spirits, not beer or wine, were associated with weight gain.