Benefits of outdoor exercise: get spring fit

When the weather thaws, the flowers bloom and the days get longer, it’s spring—and the best time of the year to take your fitness regimen outside. Here are six research-backed perks of al fresco exercise. Here’s why spring is the perfect time to take your workout out!

This is an edited version of an article which first appeared in Time.  

You’ve battled through the cold winter months and the first signs of spring are beginning to appear. If you’ve followed our running advice by now you should be a clocking up some impressive miles. We all know regular exercise, like running, can improve our physical health, but there are other benefits too – read about them here.

You work harder

When people exercise outside they tend to spend more time doing it. One study found that older people who were active outdoors did at least 30 minutes more moderate-to-vigorous physical activity per week than those who only did it inside. It also made them feel healthier.

Being among nature lowers blood pressure

Spending time outside is also good for the heart. A recent study estimated that nearly 10% of people with high blood pressure could get their levels under control if they spent at least 30 minutes in a park each week, partly because of the heart-related benefits of getting fresh air and lowering stress. In Japan public health experts recommend people spend time walking outdoors, a practice called ‘forest bathing’, or shinrin-yoku. Researchers in Japan have linked forest bathing with lower levels of the blood pressure-raising stress hormone, cortisol.

It spurs cancer-fighting cells

Some research suggests that, when people are in nature, they inhale aromatic compounds from plants called phytoncides. These can increase their number of natural killer cells, a type of white blood cell that supports the immune system and is linked with a lower risk of cancer. These cells are also believed to be important in fighting infections and inflammation, a common marker of disease.

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In one study researchers found that people who took a long walk through a forest for two days in a row increased their natural killer cells by 50%, and the activity of these cells by 56%. These activity levels also remained 23% higher than usual for the month following those walks.

In one study researchers found that people who took a long walk through a forest for two days in a row increased their natural killer cells by 50%.

It can feel more fun

When people exercise outside they feel better, and enjoy the exercise more, studies suggest. A review of research found that people who exercised outside reported feeling more revitalised, engaged and energised than those who did it indoors. The researchers also found that people who exercised outside felt less tension, anger and depression.

Your mental health may improve 

Nature has a way of making people feel calm, and exercising outside can strengthen that effect. A small 2015 study found that people who walked for 90 minutes outside were less likely to ruminate on their problems and had less activity in the brain area linked to depression, compared to people who took similar walks, but in urban areas.

You save money

Exercising outdoors is not only convenient, it’s less expensive than a gym membership. It also cuts costs for the community. A recent study in England of ‘green exercises’ – those done outside, including dog walking, running, horse riding and mountain biking – estimated that the health benefits of doing physical activity in nature can save millions.

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