ഗേൾസ് എച്ച് എസ്സ് പുനലൂർ/അക്ഷരവൃക്ഷം/How to boost your immune system to avoid colds and coronavirus

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How to boost your immune system to avoid colds and coronavirus

It’s been a long, wet winter. Everybody has got colds, and now we are braced for a coronavirus epidemic. Boosting our immune system has rarely felt more urgent, but, beyond eating more tangerines and hoping for the best, what else can we do?

Sheena Cruickshank, a professor of immunology at the University of Manchester, has a “shocking cold” when we speak at a safe distance, over the phone. To know how to take care of your immune system, she says, first you need to understand the weapons in your armoury – a cheeringly impressive collection, it turns out.

“When you come into contact with a germ you’ve never met before,” she says, “you’ve got various barriers to try to stop it getting into your body.” As well as skin, we have mucus – “snot is a really important barrier” – and a microbiome, the collective noun for the estimated 100tn microbes that live throughout our bodies, internally and externally. Some of these helpful bugs make antimicrobial chemicals and compete with pathogens for food and space.

Beneath these writhing swamps of mucus and microbes, our bodies are lined with epithelial cells which, says Cruickshank, “are really hard to get through. They make antimicrobial products including, most relevant to coronavirus, antiviral compounds that are quite hostile.”

Sangeetha K Johnson
എച്ച്.എസ്സ് ഫോർ ഗേൾസ് പുനലൂർ
പുനലൂർ ഉപജില്ല
കൊല്ലം
അക്ഷരവൃക്ഷം പദ്ധതി, 2020
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