Blue Health Map: 6 Countries Where Water Is Prescribed by Doctors
The Rise of Blue Health: A New Approach to Wellness
Picture this: your doctor hands you a prescription that doesn’t involve pills or injections. Instead, it recommends regular walks along the coast, time spent near rivers, or simply gazing at the ocean. Sounds too good to be true, doesn’t it? Yet this is becoming a reality in several countries around the world. The concept of blue health, which focuses on the therapeutic benefits of being near water, is moving from research labs into actual medical practice. Doctors are now recognizing what many of us have felt intuitively for years: there’s something profoundly healing about water. Let’s explore where this revolutionary approach is taking root.
Scotland: Pioneering Blue-Green Prescriptions
Scotland is developing its first blue-green prescribing programme through a project funded by the Scottish government, which takes a sustainable approach to reducing pharmaceutical pollution by using nature-based health interventions. The country has been working on developing a referral pathway to nature-based interventions, particularly in Dundee, where stakeholders have been discussing how to link patients to local service provision through healthcare referrals. What makes Scotland’s approach particularly interesting is how it combines environmental concerns with patient care. Researchers note that medicines, while important for healthcare delivery, have negative effects on the climate and environment, and also contribute to antimicrobial resistance, one of the major global health problems of the 21st century.
United Kingdom: Building on Established Green Prescribing
Much current nature-based social prescribing practice has been developed in the UK, and there is increasing global interest in its implementation. The British approach treats blue spaces as an extension of their already successful green prescription schemes. Blue prescribing, as it’s called in the UK, is a means of social prescribing based in outdoor water-based settings, including programmes involving kayaking, canoeing, sailing, stand-up paddleboarding, surfing, wild swimming, and coasteering. A UK study that asked 20,000 smartphone users to track their environment and sense of well-being found that people in marine or coastal areas were significantly happier than those in urban areas. Still, implementing these programs comes with challenges related to quality assurance, liability, and health and safety considerations.
Belgium: Coastal Prescriptions for Mental Health
Research in Flanders, Belgium, shows that there are still many uncertainties among general practitioners and patients regarding the therapeutic potential of the coast, though four interviewed GPs were open to a coastal prescribing framework similar to ‘Exercise on Prescription’. Belgium’s location along the North Sea makes it an ideal testing ground for coastal therapy programs. Awareness campaigns could inform GPs, other healthcare providers, and patients about existing knowledge on the health benefits of the coast, though the biggest challenge in their ‘Exercise on Prescription’ program, now almost ten years running, remains motivating GPs to prescribe physical exercise. The Belgian model highlights an important truth: having the science isn’t enough if doctors aren’t convinced or comfortable recommending these interventions to their patients.
Spain: Blue Prescriptions for Cancer Patients
Spain conducted one of the first studies to evaluate whether different outdoor activities in blue spaces can benefit oncological patients’ physical and mental health, examining activities like walking, beach visits, and snorkelling. This groundbreaking pilot program specifically targeted cancer survivors, a population that desperately needs non-pharmaceutical interventions. Results showed that exposure to blue spaces contributes to tension and anger reduction and improves the vigour mood state of oncology patients, with no significant increases in heart rate after beach and snorkelling activities, suggesting a contribution to relaxation. The pilot study of cancer patients undertaking blue prescriptions found improvements in mental health and well-being. Spain’s focus on vulnerable patient populations demonstrates the potential reach of blue health interventions beyond general wellness.
Sweden: Wellness Tourism Meets Medical Prescription
Sweden, which ranks as a global leader in quality of life and is consistently crowned one of the world’s happiest countries, has joined forces with senior professor Yvonne Forsell to create the ‘Swedish Prescription’, a campaign promoting activities designed to boost well-being that can be adapted to suit an individual’s goals, needs, and length of stay. Though this program leans more toward wellness tourism than formal medical prescribing, it represents a fascinating bridge between the two. Recommendations include recharging in the Swedish forest to help ease stress and improve focus, getting restorative sleep thanks to cool temperatures, clean air, and lack of noise pollution. Sweden’s approach recognizes that healing environments aren’t just about water alone. They’re about the total sensory experience that natural landscapes provide.
Ireland and Coastal Mental Health Benefits
Research in Ireland found that individuals living near the coastline, experiencing frequent coastal views, reported fewer symptoms of depression compared to those living further inland, while older adults in Scotland with better access to freshwater spaces were found to rely less on antidepressants. Ireland’s extensive coastline makes it a natural laboratory for blue health research. In England, coastal residents were more likely to meet recommended exercise guidelines than those living further inland, and research found that children near water engage more frequently in active play and have lower rates of childhood obesity. The Irish and broader UK data paint a compelling picture: proximity to water doesn’t just make people feel better, it encourages healthier lifestyles across all age groups. This creates a virtuous cycle where environmental access drives behavioral change.
The Science Behind the Prescription
Why are doctors finally taking blue health seriously? The mere sight and sound of water can induce a flood of neurochemicals that promote wellness, increase blood flow to the brain and heart, and induce relaxation. Studies at UC Davis showed 32 participants with reduced average heart rate and lower blood pressure after looking at a swimming pool than after viewing a tree in a parking lot or a street sign, with participants showing reduced heart rate and blood pressure after gazing at bodies of water. Just two minutes of viewing water can activate the parasympathetic nervous system, leading to lower heart rate and blood pressure. The physiological responses are measurable and immediate. Research from Ohio State University found a correlation between longer life expectancy and water for those who live within about 30 miles of an ocean or gulf. Let’s be real, this isn’t just about feeling peaceful during vacation. We’re talking about tangible, measurable health outcomes that could reshape how we think about medicine.
Looking at all this evidence, it’s hard to ignore the shift happening in healthcare. Countries are recognizing that sometimes the best medicine doesn’t come from a pharmacy. Water has been healing humans since the beginning of time, from ancient Roman baths to seaside sanatoriums. Now, modern science is catching up with what our ancestors seemed to know instinctively. The blue health movement represents more than just a trend. It’s a fundamental rethinking of what it means to prescribe wellness. What do you think about swapping your next medication for a coastal walk? Could this be the future of preventive medicine?
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