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
  • A spider.
  • Figuratively, a peevish, testy, ill-natured person.
'Attercop' comes from the Old English 'atorcoppe,' where 'atter' means 'poison, venom' and‎ 'cop' means 'spider.' 'Coppa' is a derivative of 'cop,' top, summit, round head, or 'copp,' cup, vessel, which refers to 'the supposed venomous properties of spiders,' says the OED. 'Copp' is still found in the word 'cobweb.'