We all want a well-functioning immune system to help us fight invasive bacteria and viruses and recover faster from illness. Popular “immune-boosting” ideas, however, might be more of a hindrance than a help. Is that smoothie boosting your immune system or corporate profit? Research found over 96 per cent of immune-boosting content on Instagram to be from creators that sold or advertised products or services. (Unsplash) Immune boosting is an online trend. Content producers sh