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Appetite. 2018 Jan 1;120:100-108. doi: 10.1016/j.appet.2017.08.018. Epub 2017 Aug 24.

Acute effects of video-game playing versus television viewing on stress markers and food intake in overweight and obese young men: A randomised controlled trial.

Author information

1
Human Nutrition Research Centre, Institute of Cellular Medicine, Newcastle University, Campus for Ageing and Vitality, Newcastle on Tyne, NE4 5PL, UK. Electronic address: mario.siervo@ncl.ac.uk.
2
Childhood Nutrition Research Centre, UCL Great Ormond Street Institute of Child Health, 30 Guilford Street, London, WC1N 1EH, UK.
3
Population, Policy and Practice Programme, UCL Great Ormond Street Institute of Child Health, 30 Guilford Street, London, WC1N 1EH, UK.
4
Human Nutrition Research Centre, Institute of Cellular Medicine, Newcastle University, Campus for Ageing and Vitality, Newcastle on Tyne, NE4 5PL, UK; Childhood Nutrition Research Centre, UCL Great Ormond Street Institute of Child Health, 30 Guilford Street, London, WC1N 1EH, UK.

Abstract

BACKGROUND:

Sedentary or near-sedentary activities are associated with overweight/obesity in epidemiological studies. This has traditionally been attributed to physical activity displacement. A little-explored area is whether behavioural stresses alter sensations of appetite and eating behaviour. We examined whether behaviours conducted seated (television viewing, video gaming) induce different eating patterns, associated with differential levels of stress response.

METHODS AND FINDINGS:

We conducted a randomized controlled trial in 72 overweight/obese adult males, assigned to three groups (24 per group): (i) non-violent television (control group); (ii) non-violent game (FIFA); (iii) violent game (Call of Duty). Following a standardized breakfast, the 1-h intervention was followed by 25-min rest, with sweet and savoury snacks and drinks available ad libitum. Stress markers (heart rate, blood pressure, visual analogue scale (VAS)) were measured throughout. Heart rate, systolic blood pressure, and stress by VAS were significantly higher (p < 0.05) playing video games than watching non-violent television, though the two game groups did not differ. Considered separately, only the violent video game group consumed more energy (Δ = 208.3 kcal, 95%CI 16, 400), sweet foods (Δ = 25.9 g, 95%CI 9.9, 41.9) and saturated fat (Δ = 4.36 g, 95%CI 0.76, 7.96) than controls.

CONCLUSION:

Playing video games in overweight/obese adult males is associated with an acute stress response relative to watching non-violent television, associated with greater subsequent food intake. These findings highlight the need to focus on the metabolic effects, as well as the energy costs, of activities involving sitting in relation to obesity risk.

KEYWORDS:

Appetite; Obesity; Stress; Video game playing

PMID:
28843974
DOI:
10.1016/j.appet.2017.08.018
[Indexed for MEDLINE]

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