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From stress relief to managing depression: 10 ways swimming can do wonders for your mind and body

Swimming is a great workout for people with chronic pain or any mobility issues.
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Swimming Canada won't compete in this year's world short-course swimming championships in Kazan, Russia.

Physical activity strengthens your cardiovascular and musculoskeletal systems and can improve your mood, and relieve depression. It also boosts the quality of your sleep, increasing energy levels. Those who exercise regularly have a reduced risk of common cancers, including breast and colon cancer.

Swimming provides the benefits of physical activity while putting less stress on your joints. This activity works your major muscle groups, and because it is , those with arthritis or joint pain may want to make swimming their workout of choice. 

In a 2022 study of , participants who completed a three-month aquatic exercise program reported less pain and a better quality of life than those who completed a standard physical therapy regimen. These long-term benefits lasted up to a year.

compiled a list of ways swimming as exercise can improve overall health. Read on to learn more about this activity's benefits on your mind and body.

Underwater picture of female swimmer in suit and goggles training in pool
LightField Studios // Shutterstock

Improves important measures of overall health

Swimming can help lower your cholesterol and blood sugar (glucose) levels, reduce your blood pressure, and burn fat—measurements that provide insight into your health.

In a small study published in 2021, a 16-week regimen of swimming for two hours three times per week improved in adults with Type 2 diabetes and hypertension. The participants in the swimming group had significant improvement after 16 weeks in their total cholesterol, high-density lipoprotein cholesterol, low-density lipoprotein cholesterol, triglycerides, and blood glucose levels compared to those in the control group, who maintained their regular lifestyle. The swimming group also lowered their systolic and diastolic blood pressure, body mass index, and percentage of body fat at the end of the study period.

In another small study conducted in 1997, previously sedentary men and women with mild to moderate hypertension participated in a , which resulted in participants showing a lower resting heart rate and lower systolic blood pressure at the end of 10 weeks. No changes in resting heart rate or blood pressure were seen in the control group, who did not exercise.

A man swimming in a lake
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Improves cardiorespiratory fitness

Swimming is a that raises your heart rate, improves circulation, and strengthens your heart muscle.

In a  that followed participants for 20 years, those who swam regularly lowered their risk of death from cardiovascular disease by 41%. And because your body is horizontal in the water, more blood flows back to your heart when you swim, rather than pooling in your legs as it does during land-based forms of cardio exercise.

Woman in red suit swimming
Rob Bayer // Shutterstock

Lessens arthritic joint pain during exercise

Swimming is a low-impact way to work all your major muscle groups. However, it is important to use the most comfortable swimming stroke for your joints.

For example, if you have arthritis in your knees or hips, you might be more comfortable swimming  because you keep your legs relatively straight while swimming freestyle. A stroke such as the breaststroke, where your knees are bent and you kick outward, might be uncomfortable and aggravate any pain you already feel in these joints.

A woman swimming underwater in a pool
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Helps manage symptoms of depression

When you exercise, your brain releases , hormones that can reduce stress and anxiety and improve mood. Both anecdotal and peer-reviewed research have shown that swimming can improve depressive symptoms, mood, and overall well-being.

For example, in a 2020 published in Lifestyle Medicine, researchers found that participants who completed 10 weeks of outdoor swimming experienced both acute and chronic positive mood increases and improved well-being compared to the control group that did not swim. Similarly, in a case study published in 2018 in the British Medical Journal, a 24-year-old woman with and anxiety reported a significantly improved mood after a weekly session of cold water swimming—along with a gradual and lasting improvement in depressive symptoms.

More research needs to be done to explain the exact mechanisms that make swimming effective in improving mood, but it's an activity worth trying, nonetheless.

A man swimming in open water at sunset
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Enriches nighttime sleep

Studies have shown that aerobic exercises—including swimming—can improve the quality of your sleep. Although researchers are not sure , they know that it improves how much slow-wave or deep sleep you get.

Slow-wave sleep gives your body and brain the opportunity to rejuvenate. An Australian study published in 2017 found that significantly fewer pregnant women who participated in a 17-week reported poor-quality sleep than those who did not participate in the program.

A smiling woman floating in the water
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Decreases negative emotions

During exercise, the pituitary gland and hypothalamus in your brain release endorphins, hormones that can improve mood. In a , college students who did yoga or swam reported decreased feelings of tension, confusion, anger, and depression than those in the control group who attended a lecture.

The researchers said the fact that those who did yoga reported similar mood benefits as those who swam suggests that both aerobic and anaerobic exercise can benefit mood.

Woman swimming in a lake
DZiegler // Shutterstock

Improves quality of life for seniors who struggle with daily activities

In a 2016 study published in the , 26 Japanese women, all over the age of 70, participated in water exercises for 60 minutes three times per week for a 12-week period.

Results demonstrated that the water exercise regimen improved functional fitness and balance measures in activities of daily living, or ADLs, which are tasks a person needs to be able to perform in order to live independently and satisfy their daily needs. Improved quality of life was attributed to an ability to perform ADLs and better exercise habits.

Two senior woman swimming side by side
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Increases bone density

Physical activity benefits at any age. In fact, less physical activity may increase your .

In a small Israeli study published in 2008, who swam for one hour three times a week either maintained or showed an improvement in bone mineral density after seven months. However, participants in the control group, who did not exercise, showed a decline in bone density.

Female coach in water giving group of children swimming lessons
Monkey Business Images // Shutterstock

Encourages social development in children

Exercise can improve cognitive function and and build self-esteem. One 10-week swimming program improved the swimming skills of boys with while improving their behavior toward others. The researchers said that, based on their findings, swimming programs have the potential to help children improve their social skills.

Another study, an independent report found that children who regularly take part in swimming lessons develop social skills more quickly than those who do not.

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Improves memory accuracy and attention

A cardiovascular workout like swimming can improve memory by triggering . And exercising regularly over an extended period of time has cumulative effects on the size of the , part of the brain responsible for memory processing. Exercises like swimming also improve cognitive function.

A small of children diagnosed with attention-deficit/hyperactivity disorder (ADHD) found that those assigned to a swimming program had improved memory, better impulse control, and a longer attention span compared to those who did not exercise. The researchers said their findings provide preliminary evidence supporting the use of recreational exercise programs as an alternative intervention for children with ADHD.

This story originally appeared on Dolphin Pools and was produced and distributed in partnership with Stacker Studio.




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