Evidence has mounted that high-impact sports like boxing and football can lead to later cognitive problems, and there is increasing awareness that concussions should be taken seriously. So how does this all happen, and should you be worried? We take a look at some recent studies that shed some light on the topic. Articles: https://jamanetwork.com/journals/jama/article-abstract/2645104 https://www.sciencedirect.com/science/article/pii/S104474311500041X