Your Body Clock is Associated With Mood Disorders

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The results held true even after adjusting for a wide range of influential factors including age, sex, lifestyle, education, body mass index, and childhood trauma.

"How do we take account of our natural patterns of rest and activity and how do we design cities or jobs to protect people's mental health?" "However, these are observational associations and can not tell us whether mood disorders and reduced wellbeing cause disturbed rest-activity patterns, or whether disturbed circadian rhythmicity makes people vulnerable to mood disorders and poorer wellbeing". Greater disease risks arising from circadian disruption have been identified in the brain, pancreas, and stress systems. It measured these disruptions using a device called an accelerometer that is worn on the wrist and measures one's daily activity levels. People with less of a distinction between active and resting periods scored a lower amplitude, either because they were not active enough during while they were awake or too active in the hours intended for sleep.

People with lower relative amplitude were at greater risk of mental health problems such as depression and bipolar disorder. Association of disrupted circadian rhythmicity with mood disorders, subjective wellbeing, and cognitive function: a cross-sectional study of 91 105 participants from the UK Biobank [published online May 15, 2018]. They are fundamental for maintaining health in humans, and integrity of circadian rhythms is particularly important for mental health and wellbeing.

A new study found that it is linked to improvements in mood and cognitive functioning as well as a decreased likelihood of developing major depression and bipolar disorder.

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Writing in journal The Lancet Psychiatry, Dr Aiden Doherty, senior research fellow from the University of Oxford's Nuffield Department of Population Health, said a next step could be to carry out further research on younger people.

'It might be that the UK Biobank provides the impetus for a resource of a similar scale in adolescents and younger adults to help transform our understanding of the causes and consequences, prevention and treatment of mental health disorders'. The work was funded by a Lister Prize Fellowship to Professor Smith.

[1] Quotes direct from authors and can not be found in text of Article.

Researchers in the United Kingdom made the conclusion by studying the circadian rhythm: our waking and sleeping patterns throughout the 24-hour sleep cycle. Changes in circadian patterns are often the first symptom in mental illnesses.