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Gun violence expert on Biden gun violence plan

Jun 23, 2021

1 min

Jonathan M. Metzl

Jonathan Metzl, Frederick B. Rentschler II Professor of Sociology and Medicine, Health, and Society, is available for analysis on President Biden's gun violence plan.


A recognized author and expert source in the wake of gun incidents and mass shootings, Metzl can speak from a balanced perspective on the legacy of mass shootings, gun violence, gun legislation and reform and narratives around mental health.


Dr. Metzl is the author of the book, Dying of Whiteness, which examines the stereotypes of race and mental illness surrounding gun violence, and recent research, which lays out a five-part agenda for future research into mass shootings and multiple-victim homicides.

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Jonathan M. Metzl

Jonathan M. Metzl

Frederick B. Rentschler II Professor of Sociology and Medicine, Health, and Society

World-renowned expert on gun violence and mental illness, white identity politics and race and health.

Guns in AmericaGuns and Mental IllnessGun ViolenceRace, Gender and Social Justice in HealthcareRace and Health

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Slow traffic, fast food: The effects of highway congestion on fast-food consumption

Sitting in your car at 5:15 p.m. on a Tuesday, vehicles line the highway as far as the eye can see. The GPS estimates you still have 30 minutes left in traffic, and a vision of your empty fridge passes through your mind as your stomach grumbles. You are faced with a decision: stop at the grocery store to buy ingredients to make dinner or follow one of the many fast-food beacons illuminated beyond the exit sign. According to new research from Panka Bencsik, Assistant Professor of Medicine, Health, and Society, Vanderbilt University, on days when highways are more congested, particularly during weekday afternoon rush hour, people are more likely to choose the fast-food option. Bencsik worked in collaboration with researchers at the University of Pittsburgh and the University of Illinois Urbana-Champaign to analyze the causal effect of time lost on food choice in Los Angeles County. The team analyzed smartphone GPS data from 2017 to 2019 to track foot traffic to restaurants and grocery stores during periods of heavy traffic congestion. “These results are concerning from a public health standpoint,” Bencsik said. “Fast food tends to be higher in fat, sodium, and energy density, and lower in whole grains, fruits, vegetables, and nutrients than food consumed at home. The time commuters spend in congested traffic has substantial implications for eating habits and potentially caloric intake.” Prior research estimates that people consume about 134 more calories per meal when they eat elsewhere versus eating at home. Bencsik said looking at that combined with the results of this study, which also suggests a decrease in visiting supermarkets, likely leads to unhealthier eating habits as a result of traffic congestion. Bencsik said the results of the study also do not suggest that people are swapping their planned “take out day” for the day with more traffic, but they are instead choosing to visit fast-food restaurants more in total. “Increased consumption of fast food due to traffic congestion during peak travel times potentially plays a role in the rise in obesity, heart failure, and diabetes among Americans, given that fast food is typically less healthy than other options,” Bencsik said. “Our results suggest that policies aimed at reducing time spent commuting by car could help battle unhealthy eating habits. For example, improving infrastructure to mitigate traffic congestion, or expanding and speeding up public transport, could reduce fast-food dependency. Increasing work-from-home opportunities and reducing the number of days workers go into work could also have a meaningful impact.” The full paper, "Slow traffic, fast food: The effects of time lost on food store choice," is published in the Journal of Urban Economics.

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Vanderbilt debate director and rhetoric expert on Harris-Trump debate expectations and tips

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