A concussion is a form of traumatic brain injury (TBI) that affects how your brain functions. These effects can be short-term, lasting only a few hours or days, or can lead to long-term problems.

From football fields to military training grounds, head injuries are leaving lasting marks on the brain in ways we're only beginning to understand. Repeated concussions can increase the risk of mood ...

A new study finds that players of contact sports have differences in their brain activity when compared with people who play non-contact sports. The authors ask whether micro concussions are to blame.

Scientists suggest telltale signs of concussions might be found in the gut. By taking blood, stool and saliva samples from 33 football players, the researchers were able to examine the diagnostic ...

Sara Moniuszko is a health and lifestyle reporter at CBSNews.com. Previously, she wrote for USA Today, where she was selected to help launch the newspaper's wellness vertical. She now covers breaking ...

When you think of an athlete who has suffered a concussion or other traumatic brain injury (TBI), you might conjure up images of boys on the football team ramming into each other at full speed. In ...

Concussions are one of the most common injuries in high school football, with an estimated 100,000 to 150,000 cases each year—yet nearly half go unreported, increasing the risk of long-term brain ...

A concussion makes the brain move suddenly inside the skull after a head hit or a hard body blow. Symptoms can last days to months. Most symptoms start improving within 1 to 2 weeks of the injury, ...

If you’ve ever had a head injury or suspected concussion, you may have been warned to stay awake for several hours or to have someone wake you up every hour. This advice stemmed from the belief that ...