Science

Ocean Swimming Can Make Us More Vulnerable To Infections

Ocean Swimming Can Make Us More Vulnerable To Infections”

Are you thinking about spending hours sunbathing on the sandy beach and swimming in the ocean? However, after swimming, all of them had related communities on their pores and skin, which had been fully totally different from their earlier than-swim communities, the research confirmed.

They collected samples of pores and skin bacteria from the legs of nine individuals before they took a 10-minute swim within the ocean, after that they had air-dried utterly following their dip, after which six and 24 hours after their swim.

"Our data demonstrate for the first time that ocean water exposure can alter the diversity and composition of the human skin microbiome", said lead author Marisa Chattman Nielsen, a PhD student at the University of California, Irvine, in a release from the university. This suggests that the bacteria has a "liking" for human skin.

This research has been conducted due to other previous studies which have been showing various associations between ocean swimming and infections. They chose ones who did not swim in the ocean too frequently, were not using sunscreen at the time, have not bathed in the last 12 hours, and have not taken any antibiotics in the past six months. This results in attracting several infections and bring in conditions like gastrointestinal and respiratory illness, ear infections, skin infections, etc.

The results of the experiment highlighted that before swimming, all individuals had different communities from one-another, but after swimming, they all had similar communities on their skin. After 6 hours passed the microbiome began to change back to its initial shape, and at 24 hours, the changes were quite visible.

But one very interesting finding was that Vibrio species, which were detected on each person's skin.

Some species of vibrio are responsible for diseases like cholera, or can rarely cause flesh-eating skin infections, especially in people with weakened immune systems.

The team's research was only able to detect the presence of Vibrio bacteria, not their specific species. But they seemed to be drawn to people's skin, since a greater proportion of Vibrio bacteria was found on the volunteers' skin than in the surrounding ocean water the team also tested.

"Recent studies have shown that human skin microbiome plays an important role in immune system function, localized and systemic diseases, and infection", Nielsen said.

A new study by University of California, Irvine researchers has found that recreational ocean water exposure changes the human skin microbiome, and waterborne microbes persist on the skin for at least 24 hours.

For the study presented at the annual meeting of the American Society for Microbiology, researchers focused on a group of selected beach goers. Therefore, it's always a good idea to rinse off with natural soap and water after visiting the ocean to help your skin get back to its normal natural biomes.

'A healthy microbiome protects the host from colonization and infection by opportunistic and pathogenic microbes'.



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