August 09, 2011
Survivors of Brain Hemorrhage May Experience
One-third of people who
survive a nearly fatal subarachnoid hemorrhage -- a type of stroke
that involves bleeding into the brain -- experience the symptoms of
post-traumatic stress disorder (PTSD), researchers have found.
Intelligence Largely Rooted in the Genes
New research indicates that
up to half of human intelligence can be explained by genetics, but
this involves small contributions by many different genes and not
one overarching "smart" gene.