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Less Screen Time And More Sleep Critical For Preventing Depression
New longitudinal research shows combined lifestyle interventions promote mental wellness
A cross-sectional and longitudinal analysis of data from the UK Biobank, involving almost 85,000 people, has found that lifestyle factors such as less screen time, adequate sleep, a better-quality diet, and physical activity strongly impact depression.
With evolving data exploring the link between depression and lifestyle factors, the international research team led by Western Sydney University say their findings published today in BMC Medicine (opens in a new window) may help inform public health policy.
The study found:
“The research is the first assessment of such a broad range of lifestyle factors and its effect on depression symptoms using the large UK Biobank lifestyle and mood dataset,” said lead co-author, Professor Jerome Sarris (opens in a new window), NICM Health Research Institute, Western Sydney University.
“While people usually know that physical activity is important for mood, we now have additional data showing that adequate sleep and less screen time is also critical to reduce depression.
“The findings also suggest that one’s dietary pattern is partly implicated in the germination or exacerbation of depressed mood.
“The results may inform public health policy by further highlighting the important relationship between people being encouraged and supported to engage in a range of health-promoting activities. In particular, maintaining optimal sleep and lessening screen time (which is often an issue in youth), while having adequate physical activity and good dietary quality, may reduce the symptoms of depression,” said Professor Sarris.
The authors’ research also supports the use of personalised, combined lifestyle interventions to help manage mood and promote physical wellness. This is in alignment with their recent World Psychiatry paper (opens in a new window), led by senior author Dr Joseph Firth (opens in a new window), a UKRI Future Leaders Fellow, from The University of Manchester, and Adjunct at NICM Health Research Institute, Western Sydney University.
Additional contributors to the study included NIHR Maudsley Biomedical Research Centre and King’s College London, United Kingdom, and the University of Padua, Padua, Italy.
The paper, Multiple lifestyle factors and depressed mood: a cross-sectional and longitudinal analysis of the UK Biobank, is available online (https://doi.org/10.1186/s12916-020-01813-5 (opens in a new window)) in the Journal BMC Medicine.
12 November 2020
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