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It is that time of year again. As the cold and flu season hits the northern hemisphere on top of the ongoing of covid-19, many of us reach for something to give our body’s defences a helping hand. There is no shortage of foods and drinks that claim to be able to help. Supermarket shelves are heaving with “immunity support” juices, yogurts and spice-infused teas. Comforting, yes, but can these foods really help off contagion?
The impact of diet on our natural defences is a topic with claims that don’t stand up to scrutiny, but we are finally developing a clearer of the powerful influence that food can have on our immunity. The surprising truth is that focusing on particular products or ingredients could be leading you down the wrong path. In fact, an immune “boost” might be the last thing you need.