Social Isolation and Loneliness During the COVID-19 Pandemic: Impact on Weight

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Abstract
Purpose of Review Social isolation and loneliness have long been identified as risk factors for poorer physical and mental health and increased mortality. These factors have also been shown to impact dietary behavior and physical activity which play a role in precipitating and maintaining obesity. Less is known about the impact of social isolation resulting from the COVID-19 pandemic in which social distancing is a major component of public health initiatives. This narrative review will examine the existing literature on the relationships between social isolation, loneliness, mental health, and weight as they relate to the COVID-19 pandemic. Recent Findings Individuals with obesity are at very high risk for worsening course of COVID-19, hospitalization, and death. This population may also be more significantly impacted by the dietary and physical activity consequences resulting from lockdown, social distancing, and isolation. Summary The pandemic has led to significant lifestyle disruptions. However, early studies have largely relied upon cross-sectional studies or convenience samples. Future research will need to study the impact more rigorously, particularly among populations at greatest risk.

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