After surgery, girl can not stop laughing

Enna Stephens, age 7, he underwent surgery to remove a brain tumor. Now, the small can not stop laughing. His condition is called Pesudobulbar Affect (PBA, for its acronym in English), and it is a disorder caused by nerve damage that makes it difficult to control emotional responses. Stephens’s story...

Head injury may raise risk of Alzheimer’s

Concussions seem to increase the risk of developing Alzheimer’s disease as age increases, according to a study done to American soldiers. This changes the current view that considers only the moderate to severe damage increased the risk of developing dementia in old age. Now a slight bump can also...