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An epidemic of chronic diseases continues to grow in the United States; half the population — an estimated 129 million Americans — have lifelong health conditions that need continuous medical attention and limit certain daily activities.

Every February, a very famous football game consumes the general American public. Football is a beloved sport and pastime that celebrates athleticism and teamwork and captures the imaginations of kids who have dreams of going pro. But as The Big Game has grown in size and spectacle over the years, more concern has bubbled up over head injuries, like concussions, in football.

There’s a lot to love about football, but there are also safety factors to consider — as there are with any sport. Here’s what to know about concussions and football.

In a surgical suite at Barnes-Jewish Hospital, a robotic arm snakes an ultra-thin, ultra-flexible tube through a patient’s airway. Once the tube reaches the lungs, the surgeon operating the device remotely uses a tiny camera to search the area for an abnormal growth, or nodule, that might be cancerous. Once located, a needle pierces the nodule for biopsy.