Traumatic brain injury (TBI) is a disturbance of normal brain functions due to a head injury that everyone is at risk. The Centers for Disease Control and Prevention (CDC) estimates that 138 people ...

Computed tomography (CT or CAT) scans help doctors detect everything from cancer to kidney stones. But some physicians are raising concerns about the safety of such procedures — most notably, an ...

For years, concussions were described as temporary disruptions in brain function that could not be seen on any medical test.

CT scans show detailed internal pictures and are usually essential in diagnosing life-threatening illnesses, such as internal bleeding, blood clots, or cancer. Although it is true that they expose ...