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7 reasons why living close to the sea is good for your health

There are so many reasons to love the sea!

Did you know that long ago, physicians recommended going to the beach for medical reasons? When consumption or tuberculosis was claiming lives by the thousands back in the 1900s, some doctors had a rather unconventional approach to treat it. So patients were sent to the seaside by the droves to breathe the salty sea air. It was believed to have curative powers, which could heal the respiratory organs and reduce the intensity of the disease. But the health benefits of the sea were known to man even before that. 'Thalassotherapy' or sea therapy was prescribed by Hippocrates, the father of modern medicine, himself. So if you are wondering whether to hit the hills or the chill by the beach this vacation, here are seven health reasons of the sea that will help you come to a decision.

1. Great for curing skin diseases

Going for a quick swim in the salty seawater can be great if you suffer from skin conditions like psoriasis. Sea water is a repository of minerals such as chloride, sodium, iodine, magnesium, sulphur and potassium, many of which have curative effects on the skin. Studies have shown that a combination of seawater and UVB radiation seems to have an ameliorative effect on skin problems such as psoriasis and atopic dermatitis.12 Many patients have sensed lessening of symptoms after going for a swim in the sea. Old wives tales also prescribe sulphur and iodine rich sea water for its antiseptic properties, which can heal skin lesions.

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(Read: How psoriasis affects you mentally)

2. Reduces respiratory inflammation

The sea air contains mist of saline water, which seems to have a soothing effect on the mucosal lining of the respiratory system. So, people suffering from inflammatory respiratory conditions like sinusitis can benefit from breathing the balmy sea air. Even aspiration of sea spray while swimming can be beneficial for the lungs.3

3. Promotes good sleep and good mood

Have you wondered why you feel relaxed when you visit the beach? The sea air is laden with negative ions which can have mood-enhancing properties. A research concluded that negative air ionisation associated with the sea breeze resulted in lower depression scores.4 The negative ions also help by improving our oxygen intake and balancing levels of the feel good hormone serotonin. But if you are a thalassophile, the sight of the sea alone is good enough to cheer you up!

4. Higher levels of vitamin D

Did you know that vitamin D deficiency can cause horrible health problems like hypertension, diabetes, cardiovascular diseases, anaemia, brain damage, depression, infertility, and cancer? People living in dull and gloomy climes generally face more vitamin D deficiency than those who live close to the coast, according to a study conducted on 7,000 participants. A house by the seaside means you have more of the sunshine vitamin that can ward off some of the most dangerous modern-day diseases.5

(Read: Vitamin D deficiency-- Are you at risk?)

5. Good for your mind

Many people swear by the soothing sounds for nature to alleviate problems like sleeplessness, anxiety, and depression. It is proven that nature sounds, particularly that of birds, sea, forests, and rain, help in recovery from a psychologically stressful event. Visual impressions of nature combined with its soothing sounds help you heal your mind faster than you can say "beach"! So if it is mental peace you want, a stay by the beachside, listening to the sound of waves crashing on the shores can help.6

6. Protects against cardiovascular problems

Deep sea water, or the water obtained from a depth of 200 meters into the sea. This mineral-rich water is known to have a lot of therapeutic benefits, especially for the heart.7 It helps the heart by decreasing the TC, TG, atherogenic index, and malondialdehyde (MDA) levels, while increasing the serum trolox equivalent antioxidant capacity. 7 It also reduces the formation of plaque formation in the inner lining of the arteries.

7. Keeps you healthier than others

A good exercise regimen is important for overall health. But did you know that you can get more benefits out of your exercises if you were to do it close to the sea or any natural environment?8 Also, a study suggests that coastal proximity, or staying close to the sea, increased your chances of being fitter and healthier than the rest, thanks to the higher level of physical activity among coastal dwellers.9

References:

1. Schempp CM, M ller K, Schulte-M nting J, Sch pf E, Simon JC. Salt water bathing prior to UVB irradiation leads to a decrease of the minimal erythema dose and an increased erythema index without affecting skin pigmentation. Photochem Photobiol. 1999 Mar;69(3):341-4. PubMed PMID: 10089826.

2. Eysteinsd ttir JH, lafsson JH, Agnarsson BA, L v ksson BR, Sigurgeirsson B. Psoriasis treatment: faster and long-standing results after bathing in geothermal seawater. A randomized trial of three UVB phototherapy regimens. Photodermatol Photoimmunol Photomed. 2014 Feb;30(1):25-34. doi: 10.1111/phpp.12090. Epub 2013

Dec 10. PubMed PMID: 24255991.

3.Rabago, D., & Zgierska, A. (2009). Saline nasal irrigation for upper respiratory conditions. American family physician, 80(10), 1117-1119.

4.Perez V, Alexander DD, Bailey WH. Air ions and mood outcomes: a review and meta-analysis. BMC Psychiatry. 2013 Jan 15;13:29. doi: 10.1186/1471-244X-13-29.Review. PubMed PMID: 23320516; PubMed Central PMCID: PMC3598548

6. Alvarsson, J. J., Wiens, S., & Nilsson, M. E. (2010). Stress Recovery during Exposure to Nature Sound and Environmental Noise. International Journal of Environmental Research and Public Health, 7(3), 1036 1046. http://doi.org/10.3390/ijerph7031036

7.Mohd Nani, S. Z., Majid, F. A. A., Jaafar, A. B., Mahdzir, A., & Musa, M. N. (2016). Potential Health Benefits of Deep Sea Water: A Review. Evidence-Based Complementary and Alternative Medicine : eCAM, 2016, 6520475. http://doi.org/10.1155/2016/6520475

8.Mitchell, R. (2013). Is physical activity in natural environments better for mental health than physical activity in other environments?. Social Science & Medicine, 91, 130-134.

9.White, M. P., Wheeler, B. W., Herbert, S., Alcock, I., & Depledge, M. H. (2014). Coastal proximity and physical activity: Is the coast an under-appreciated public health resource?. Preventive medicine, 69, 135-140. coastal proximity

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