News tagged with hormone levels

Related topics: hormone

Hormone study finds monkeys in long-term relationship look strangely human

(PhysOrg.com) -- Monkeys in enduring relationships show a surprising correspondence in their levels of oxytocin, a key behavioral hormone, according to research published online June 28 in the journal Hormones and Behavior.

Biology / Plants & Animals

created Jul 13, 2010 | popularity 5 / 5 (8) | comments 0 | with audio podcast

Some males react to competition like bonobos, others like chimpanzees

The average man experiences hormone changes similar to the passive bonobo prior to competition, but a "status-striving" man undergoes changes that mirror those found in a chimpanzee, say researchers from Duke and Harvard ...

Biology / Plants & Animals

created Jun 28, 2010 | popularity 3.8 / 5 (4) | comments 1 | with audio podcast

Leptin-controlled gene can reverse diabetes

Researchers have found that even a very little bit of the fat hormone leptin goes a long way when it comes to correcting diabetes. The hormone controls the activity of a gene known as IGFBP2 in the liver, which has antidiabetic ...

Biology / Cell & Microbiology

created Jan 05, 2010 | popularity 5 / 5 (4) | comments 1 | with audio podcast

Presidential election outcome changed voters' testosterone

(PhysOrg.com) -- Young men who voted for Republican John McCain or Libertarian candidate Robert Barr in the 2008 presidential election suffered an immediate drop in testosterone when the election results were ...

Medicine & Health / Medical research

created Oct 20, 2009 | popularity 4.6 / 5 (8) | comments 2

Autism linked with stress hormone levels

Some of the symptoms of the autistic condition Asperger Syndrome, such as a need for routine and resistance to change, could be linked to levels of the stress hormone cortisol, suggests new research led by the University ...

Medicine & Health / Medical research

created Apr 02, 2009 | popularity 4.8 / 5 (4) | comments 1

Elaborate plumage due to testosterone?

(PhysOrg.com) -- In many bird species males have a more elaborate plumage than females. This elaborate plumage is often used to signal body condition, to intimidate rivals or to attract potential mates. In ...

Biology / Plants & Animals

created Oct 21, 2011 | popularity 4 / 5 (2) | comments 0 | with audio podcast

A tool to measure stress hormone in birds -- feathers

When faced with environmental threats like bad weather, predators or oil spills, wild birds secrete a hormone called corticosterone. Traditionally, researchers have analyzed blood samples to detect corticosterone levels in ...

Biology / Plants & Animals

created Aug 16, 2011 | popularity not rated yet | comments 0 | with audio podcast

Humans not the only ones that pass down abusive behavior

(PhysOrg.com) -- In a recent study published in The Auk, researchers claim they have found evidence that humans are not the only species where child abuse is a socially transmitted behavior.

Biology / Plants & Animals

created Aug 10, 2011 | popularity 5 / 5 (4) | comments 3 | with audio podcast report

Stress may lead to better bird parenting

Birds with high levels of stress hormones have the highest mating success and offer better parental care to their brood, according to new biology research at Queen's University.

Biology / Plants & Animals

created Jun 14, 2011 | popularity not rated yet | comments 0 | with audio podcast

Yo-yo dieting alters genes linked with stress

Stressed-out mice with a history of dieting ate more high-fat foods than similarly stressed mice not previously on diets, according to a new study in the Dec. 1 issue of The Journal of Neuroscience. The findings suggest that m ...

Medicine & Health / Neuroscience

created Nov 30, 2010 | popularity 5 / 5 (1) | comments 1 | with audio podcast

Brain might be key to leptin's actions against type 1 diabetes

New findings by UT Southwestern Medical Center researchers suggest a novel role for the brain in mediating beneficial actions of the hormone leptin in type 1 diabetes.

Medicine & Health / Medical research

created Oct 19, 2010 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Study: Stress hormone blocks testosterone's effects

High levels of the stress hormone cortisol play a critical role in blocking testosterone's influence on competition and domination, according to new psychology research at The University of Texas at Austin.

Medicine & Health / Medical research

created Sep 29, 2010 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Scientists find hormone influences sensitivity to sweetness

A hormone that helps to regulate blood sugar levels may also influence a person's sensitivity to sweet-tasting foods, according to a new study from researchers at the University of Maryland School of Medicine. They found ...

Medicine & Health / Medical research

created Jun 15, 2010 | popularity 4 / 5 (1) | comments 0 | with audio podcast

Status symbols of house sparrows: High testosterone darkens their bill

(PhysOrg.com) -- The size of the black breast bib - the badge - and bill colour of male House Sparrows change over the course of the year. Such ornaments usually signal quality and dominance of a male to his ...

Biology / Plants & Animals

created Jun 04, 2010 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Genetic 'Parts' List Now Available for Key Part of the Mammalian Brain

(PhysOrg.com) -- A Johns Hopkins and Japanese research team has generated the first comprehensive genetic "parts" list of a mouse hypothalamus, an enigmatic region of the brain — roughly cherry-sized, in humans ...

Medicine & Health / Neuroscience

created Jun 04, 2010 | popularity not rated yet | comments 1 | with audio podcast