Latest brain chemical Stories

2009-05-13 07:30:00

A new study provides convincing evidence that points to a special chemical in the brain that may contribute to the reason some people have a genetic predisposition to anxiety, Reuters reported on Tuesday.  Such evidence could lead the way to new treatments.  In rats bred to be extremely anxious, very low levels of a brain chemical called fibroblast growth factor 2 or FGF2 could be detected, while low-key rats showed higher levels.  When the researchers added new toys to...

2008-10-15 14:14:07

Scientists said on Wednesday they have pinpointed a key brain chemical involved in dealing with the sudden loss or long-term separation of a partner. Oliver Bosch of the University of Regensburg in Germany and his colleagues said such a finding could lead to potential treatments for people suffering severe depression-like symptoms after losing a partner. The study was carried out with a type of rodent called a prairie vole. The team studied prairie voles because, unlike 95 percent of all...

2006-08-23 14:20:14

By Amy Norton NEW YORK (Reuters Health) - The body's sensitivity to a particular brain chemical may help separate those of us who can't sit still from those who can't seem to get off the couch, a study in rats suggests. Because spontaneous activity throughout the day is a major factor in calorie burning, researchers say this brain response might play a role in obesity risk. In their study, lean rats were more sensitive to a brain chemical called orexin A, and tended to fidget and...

Word of the Day
  • The navel or umbilicus.
  • In Greek archaeology: A central boss, as on a shield, a bowl, etc.
  • A sacred stone in the temple of Apollo at Delphi, believed by the Greeks to mark the 'navel' or exact center-point of the earth.
'Omphalos' comes from the ancient Greek.