Nisha Pandey

Health and Me

Childhood Fitness Linked To Lower Risk Of Depression In Adulthood: 30-Year Study

The effects childhood obesity could extend into adulthood. Similarly, a person's fitness level as a kid could have a significant impact on their wellbeing, especially mental health. New research suggests there may be a link. 

A study led by researchers at the University of Tasmania’s Menzies Institute for Medical Research found that children and adolescents with better cardiorespiratory fitness were less likely to develop <span><a href="https://www.healthandme.com/health/depression">depression</a></span> as adults. The findings, published in the <em><span rel="noindex">Journal of Affective Disorders</span></em>, are based on more than 30 years of follow-up. 

<h2>Study Conducted Over A Span Of 30 Years </h2>

Also read: <a href="https://www.healthandme.com/parenting/who-cautions-against-glp-1s-as-first-line-treatment-for-childhood-obesity-prioritises-lifestyle-changes-article-156290345" data-type="tilCustomLink">WHO Cautions Against GLP-1s As First-Line Treatment For Childhood Obesity, Prioritises Lifestyle Changes</a>

Researchers studied data from the Childhood Determinants of Adult Health Study, which began in 1985. More than 1,000 Australian participants were assessed when they were between 7 and 15 years old and followed into adulthood, when they were aged 36 to 49. 

<a href="https://www.healthandme.com/parenting/childhood-obesity-starts-before-the-weighing-scale-how-sleep-screens-daily-routines-shape-a-childs-weight-article-156183681" data-type="tilCustomLink">Childhood fitness</a> was assessed using physical tests including a 1.6-kilometre run, which measured cardiorespiratory fitness, and a standing long jump to assess muscular power. 

A smaller group also underwent tests of muscular strength and fitness using a cycle ergometer. More than three decades later, participants completed a <span>World Health Organization</span> diagnostic interview to assess depression. 

The strongest and most consistent association was between cardiorespiratory fitness and lower risk of depression later in life. The relationship appeared stronger among females, while the links involving muscular fitness were less consistent. 

Dr Brooklyn Fraser, a researcher at the Menzies Institute, said the study offered a rare opportunity to examine the relationship across such a long period. 

“The data collected over 30 years has given us a rare opportunity to examine how early-life fitness relates to <a href="https://www.healthandme.com/health-wellness/when-your-nervous-system-is-overloaded-signs-your-body-needs-a-pause-article-156289000" data-type="tilCustomLink">mental health</a> later in life,” Fraser said. “We found that children and adolescents with better cardiorespiratory fitness had a lower risk of developing depression as adults.” 

<h2>Fitness In Childhood Linked To Mental Health Decades Late </h2>

Also read: <a href="https://www.healthandme.com/parenting/sedentary-lifestyle-linked-to-rise-in-back-pain-among-indian-schoolchildren-say-experts-article-156225692" data-type="tilCustomLink">Sedentary Lifestyle Linked To Rise In Back Pain Among Indian Schoolchildren, Say Experts</a>

The study does not establish exactly why <span>childhood fitness</span> was associated with better mental health later in life. But one possibility is that cardiorespiratory fitness reflects a combination of physical activity, cardiovascular health and other behaviours that can influence mental wellbeing. Staying active during childhood may also contribute to healthier habits that persist into adulthood. 

Exercise itself has been linked with several aspects of better mental health, including mood, sleep and <a href="https://www.healthandme.com/health-wellness/eye-twitching-is-it-just-stress-or-something-serious-article-156271965" data-type="tilCustomLink">stress regulation</a>. Social interaction through sports and physical activity could also play a role. But researchers caution against reducing depression to a single lifestyle factor.

World Heart Day: Doctors Answer Your Questions About Heart Health & Modern Lifestyle Habits

“There are many contributing factors to depression, meaning no single factor explains risk on its own. Fitness may be one piece of the puzzle,” said Dr Kylie Smith, the study’s lead author. 

The researchers measured fitness at one point in childhood and then examined depression decades later. Factors throughout those intervening years, including genetics, social circumstances, physical health, stress, lifestyle and other experiences, can all influence depression risk. 

“While we cannot say a lack of fitness during childhood causes <a href="https://www.healthandme.com/health-news/over-2-hours-of-daily-screen-time-linked-to-depression-obesity-in-young-people-lancet-article-156279639" data-type="tilCustomLink">depression</a> in adults, the findings suggest that childhood fitness may have benefits beyond physical health,” Smith said. 

A 2026 review and meta-analysis involving more than 4 million people found that higher cardiorespiratory fitness was associated with a lower risk of depression in adults. 

The study adds to evidence supporting opportunities for children to move regularly, play outdoors, participate in sports they enjoy and build fitness. Professor Grant Tomkinson of <span>Adelaide University</span> said fitness is important because it is something that can be changed. 

“We already know that being physically active is good for our <a href="https://www.healthandme.com/health-news/cdc-youth-report-us-teen-mental-health-suicide-risk-improve-sleep-low-exercise-remain-concerns-article-156203844" data-type="tilCustomLink">mental health</a>, and previous research has shown that fitter adults are less likely to develop depression,” Tomkinson said. “But we know relatively little about whether being fit early in life is linked to better mental health decades later.”

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The effects childhood obesity could extend into adulthood. Similarly, a person's fitness level as a kid could have a significant impact on their wellbeing, especially mental health. New research suggests there may be a link. A study led by researchers at the University of Tasmania’s Menzies Institute for Medical Research found that children and adolescents with better cardiorespiratory fitness were less likely to develop depression as adults. The findings, published in the Journal of Affective Disorders, are based on more than 30 years of follow-up. Study Conducted Over A Span Of 30 Years Also read: WHO Cautions Against GLP-1s As First-Line Treatment For Childhood Obesity, Prioritises Lifestyle ChangesResearchers studied data from the Childhood Determinants of Adult Health Study, which began in 1985. More than 1,000 Australian participants were assessed when they were between 7 and 15 years old and followed into adulthood, when they were aged 36 to 49. Childhood fitness was assessed using physical tests including a 1.6-kilometre run, which measured cardiorespiratory fitness, and a standing long jump to assess muscular power. A smaller group also underwent tests of muscular strength and fitness using a cycle ergometer. More than three decades later, participants completed a World Health Organization diagnostic interview to assess depression. The strongest and most consistent association was between cardiorespiratory fitness and lower risk of depression later in life. The relationship appeared stronger among females, while the links involving muscular fitness were less consistent. Dr Brooklyn Fraser, a researcher at the Menzies Institute, said the study offered a rare opportunity to examine the relationship across such a long period. “The data collected over 30 years has given us a rare opportunity to examine how early-life fitness relates to mental health later in life,” Fraser said. “We found that children and adolescents with better cardiorespiratory fitness had a lower risk of developing depression as adults.” Fitness In Childhood Linked To Mental Health Decades Late Also read: Sedentary Lifestyle Linked To Rise In Back Pain Among Indian Schoolchildren, Say ExpertsThe study does not establish exactly why childhood fitness was associated with better mental health later in life. But one possibility is that cardiorespiratory fitness reflects a combination of physical activity, cardiovascular health and other behaviours that can influence mental wellbeing. Staying active during childhood may also contribute to healthier habits that persist into adulthood. Exercise itself has been linked with several aspects of better mental health, including mood, sleep and stress regulation. Social interaction through sports and physical activity could also play a role. But researchers caution against reducing depression to a single lifestyle factor.          “There are many contributing factors to depression, meaning no single factor explains risk on its own. Fitness may be one piece of the puzzle,” said Dr Kylie Smith, the study’s lead author. The researchers measured fitness at one point in childhood and then examined depression decades later. Factors throughout those intervening years, including genetics, social circumstances, physical health, stress, lifestyle and other experiences, can all influence depression risk. “While we cannot say a lack of fitness during childhood causes depression in adults, the findings suggest that childhood fitness may have benefits beyond physical health,” Smith said. A 2026 review and meta-analysis involving more than 4 million people found that higher cardiorespiratory fitness was associated with a lower risk of depression in adults. The study adds to evidence supporting opportunities for children to move regularly, play outdoors, participate in sports they enjoy and build fitness. Professor Grant Tomkinson of Adelaide University said fitness is important because it is something that can be changed. “We already know that being physically active is good for our mental health, and previous research has shown that fitter adults are less likely to develop depression,” Tomkinson said. “But we know relatively little about whether being fit early in life is linked to better mental health decades later.”

childhood fitness linked to lower risk of depression in adulthood: 30-year study

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