A new study suggests athletes with a history of concussion may show more brain injury from a later concussion, particularly in middle regions of the
People whose scores on a dementia risk test indicated a less brain-healthy lifestyle, including smoking, high blood pressure and a poor diet, may also have
Researchers have found that two populations of stem cells in the lung multiply during and after a viral respiratory infection, sometimes triggering a detrimental remodeling
When patients exhibit stroke symptoms, doctors must quickly make a life or death determination: Are their symptoms caused by a clot that can be treated