“You have to love it before you're moved to save it.”
— Sylvia Earle
Most of us have probably experienced the calming effects of water. Whether walking along a beach with the waves lapping over our feet, sitting by a lake with our legs dangling over the edge, or basking in the peace and quiet of a slow flowing river. Yet, we rarely pause to consider why these experiences leave us feeling so tranquil and reflective, why our racing thoughts suddenly slow down. While it would be easy to put it down to the widely recognised freeing state of being in nature, there’s actually a scientific theory behind it. Nature, yes, but specifically bodies of water profoundly benefit our mental state. Remarkably, even just looking at water can have a significant positive impact on our well-being.
The Blue Mind theory is a groundbreaking environmental concept and puts forward the idea that water has a unique and powerful effect on the human psyche. Developed by marine biologist Dr Wallace J Nichols, he spurred millions to care about the ocean by helping them understand why it made them feel happy. Tragically, he passed away unexpectedly just last month, but his work continues to influence both scientific research and public perception of water's importance to our mental health.
Since becoming a majority-urban species after hundreds of thousands of years of living in nature, the loss of connection with the natural world has been linked to rising cases of mental health disorders. Researchers suggest that humans have an innate predisposition towards natural environments as they once directly provided us with food, comfort and safety. This is why spending time near blue spaces or just generally out in nature can feel often like "returning home".
At its core, the Blue Mind theory explains that when we're near, in, on, or under water, our minds can enter a mildly meditative state, making us feel calm, at peace, and generally happier. This state isn't just a feeling either - it's accompanied by measurable physiological changes. Our stress hormones decrease because our body is producing more of the neurotransmitters associated with relaxation and positive emotions. Heart rates slow, blood pressure drops, and many people report improved sleep and reduced anxiety. Even the colour, sound, and feel of water can lower our pulse rate and increase feelings of calmness.
Some research has even linked time spent in blue spaces to reduced risk of stress, anxiety, obesity, cardiovascular disease and premature death. Even brief exposures can have significant effects as one study found that observing an aquarium for just 10 minutes significantly lowered blood pressure and the heart rate.
To harness these benefits, one needn't live by the coast or feel they have to sit on the beach for the entirety of their holiday (unless you want to). Simple, accessible activities can help us tap into the blue mind state. For example, taking a stroll by a local stream, listening to recorded water sounds, even small water features in urban settings can offer a moment of tranquillity amidst the bustle of city life. For those able to engage more directly, activities like swimming, kayaking, or sitting by the water's edge can amplify these positive impacts. Drinking a glass of water can help too, as mild dehydration can negatively affect our ability to function properly.
The Blue Mind theory underscores the importance of preserving and protecting our blue spaces, not just for ecological reasons, but for our own health and happiness. As we become increasingly aware of our intrinsic connection to water, we can better appreciate these benefits throughout our modern, urban lives. Just one more reason to protect our blue planet.
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Amie 🐋
Great read! I wonder how much of the calming effect of water has to do with the calmness and serenity of the places where water is present. Oceans are full of empty space. Aquariums are virtually silent. Laying in water is typically done in solitude. I know I experience these same emotions and am curious whether its water itself or the environment that I am in when surrounded by water. I tend to feel the same way when I’m isolated in the mountains as well! Thanks for the introspection, Amie!
So much! Just being in nature coast or country!