Tuesday, 22 May, 2018

Disruption of Circadian Rhythm Negatively Impacts Mental Health

Disruption of daily rhythms linked to mental health problems Disruption to your body clock can heighten the risk of mental health problems
Marlene Weaver | 17 May, 2018, 00:46

"People who are active during the day and sleep well at night, that is a very healthy profile [.] they would have a high score in relative amplitude", he told The Guardian.

The scientists found that people who experienced more circadian disruption were between 6% and 10% more likely to have been diagnosed with a mood disorder than people who had more typical sleep cycles.

It found that increased activity during rest periods and/or inactivity during the day are also associated with mood instability, more subjective loneliness, lower happiness and health satisfaction, and worse cognitive function.

People who fail to follow their natural body clock rhythm are more likely to have depression and mental health problems, a study has found.

It is already known that the internal body clock regulates many functions including body temperature and eating habits.

For the large study, the researchers examined activity data of 91,105 people from the United Kingdom who were aged between 37 to 73 years. The disruptions were measured by an accelerometer worn on the subjects' wrists, tracking their levels of activity daily.

"While our findings can't tell us about the direction of causality, they reinforce the idea that mood disorders are associated with disturbed circadian rhythms, and we provide evidence that altered rest-activity rhythms are also linked to worse subjective wellbeing and cognitive ability", says Dr Lyall". With the data, circadian relative amplitude, which is a measure of the extent to which circadian rhythmicity of rest-activity cycles is disrupted, was evaluated.

Deputy who failed to confront Parkland school shooter getting pension
Peterson maintains that he did nothing wrong by remaining outside the school during the deadly shooting. The confused ex-cop later said he believed the gunshots were occurring outside the school.

Smith said, 'It's not just what you do at night, it's what you do during the day - trying to be active during the day and inactive in darkness, ' he said.

"Seventy-five per cent of [mental] disorders start before the age of 24 years", said University of Oxford researcher Aiden Doherty, commenting on the paper.

'This is an important study demonstrating a robust association between disrupted circadian rhythm and mood disorders'.

The findings have significant public health consequences, particularly for those who live in urban areas, where circadian rhythms are often disrupted due to artificial light, according to Smith.

For the new study, an global team led by University of Glasgow psychologist Laura Lyall analysed data - taken from the UK Biobank, one of the most complete long-term health surveys ever done - on 91,105 people aged 37 to 73.

Previous research has identified associations between body clock disruption and mental health, but these were typically based on self reports of activity and sleeping patterns, had small sample sizes, or adjusted for few potential cofounders.

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