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Tag: "fear" at biology news

MUHC investigators search for the root of sexual pain in women

...ch concerning vaginismus will focus on the role of fear in sexual intercourse--the major roadblock to ther..."Women suffering from vaginismus seem to avoid and fear vaginal penetration more than women suffering from other genital pain disorders," noted Dr. Binik. "...

Expert dispels bird flu paranoia

...ia and Eastern Europe but not in Australia. They fear an epidemic if this strain mutates to spread into a people-to-people virus. "We need to be very alert for bird flu in poultry because the more people who get it from birds, the higher the chance that the virus could change." Dr Doneley said the p...

Sweetgum tree could help lessen shortage of bird flu drug

... skyrocketing demand for Tamiflu, but some experts fear there won’t be enough of the drug to treat everyone if a worldwide pandemic occurs. The supply problem resides in the drug’s source: The shikimic acid used to make it is obtained almost exclusively from the Chinese star anise, a fruit that is found m...

Activation of a protein solidifies fear memory in the brain

...processes after retrieval, including extinction of fear memory, further showing that our findings are specific for a reconsolidation process." She said enhancement of reconsolidation may contribute to the development of maladaptive memories in psychiatric disorders such as post-traumatic stress disorder,...

Aggression-related gene weakens brain's impulse control circuits

...ces ?subjects with L showed higher activity in the fear hub (amygdala). At the same time, decreased activi...s observed in higher brain areas that regulate the fear hub (cingulate, orbital frontal, and insular cortices) ?essentially the same circuit that was change...

Oops! Researchers publish new findings on the brain's response to costly mistakes

...D is often characterized by an untoward anxiety or fear about errors or failures in certain aspects of everyday life, with repetitive patterns of behavior to ward off or prevent such events. The new research, published in the Journal of Neuroscience, involved 12 healthy adults who had their brains scann...

Pennsylvania researchers find liver transplants provide metabolic cure for rare genetic disease

..."Our MSUD patients and their families had lived in fear of everything from a chicken nugget to a common co...hese recipients and their families to live without fear of simple things most people take for granted." Kevin A. Strauss, MD, a pediatrician at the Clinic ...

HIV decline in Zimbabwe linked to behavioural change

...esearch, said: "Although we can't say for certain, fear of HIV and AIDS may have influenced this change in behaviour, with Zimbabwe's well educated population, good communications, and health service infrastructure, all combining to create this effect." The researchers from Imperial College London and th...

Study reveals mass migration of mormon crickets driven by hunger, fear

...ientists report hunger for protein and salt, and a fear of cannibalism, drives the mass migration of Mormo...re behind the migration: a need for protein and a fear of cannibalism. Their results reveal a different model for collective motion, with the crickets' m...

Epidemic of unneeded amputations

...d Sevante. "Had I not asked for an alternative, I fear I was on track for the loss of another limb. This would have meant the beginning of the end for me." ...

Brain enzyme treatment relieves memory lapse in Alzheimer's mice

...t asked whether Uch-L1 played an important role in fear conditioning, a form of learning known to be impai...everal mouse models of Alzheimer's disease. For fear conditioning, mice treated with the Uch-L1 inhibitor and control mice were placed in a novel context...

NASA technology helping injured US troops

... up sooner in the rehabilitation process without a fear of falling and without injuries to the patient or staff." According to Messier, one active military patient at Walter Reed who was wheelchair-bound for two years due to a spinal cord injury is now up and walking with SAM. "When we first put him in...

MIT 'seeing machine' offers hope to blind

...often terrified of going to new places. "There's a fear of missing simple visual cues, steps and not being able to decipher elevator buttons." (She noted that less than 10 percent of the blind read Braille.) Further, bystanders who aim to help - "there are five steps there; it's the third door on the left...

Seeing the serpent

...r module," brain structures involved in vigilance, fear and learning. Fossils and DNA evidence show that snakes were likely the first serious predators of modern mammals, which evolved about 100 million years ago. Fossils of snakes with mouths big enough to eat those mammals appear at about the same tim...

WWF captures first-ever photo of wild rhino on Borneo

...e in Sabah for almost 20 years, leading experts to fear that rhinos may now be extinct on the rest of the island. The main threats to the last rhinos in Sabah are poaching ?its horn and virtually all of its body parts are valuable on the black market ?and loss of its forested habitat due to conversion o...

Experimental vaccine protects lab animals against several strains of H5N1

...t H5N1, the strain of influenza virus that experts fear could cause the next flu pandemic. But will these vaccines remain effective as the virus mutates? Researchers present good news in the July 15 issue of The Journal of Infectious Diseases, now available online. Elena Govorkova, MD, PhD, Robert G. We...

Hope I die before I get old?

...nces later in life. They also may help explain the fear of aging that drives middle-aged people to "midlife crisis" behavior in a vain attempt to slow their own aging. Stereotypes about aging abound in our society, Lacey says, and affect the way older people are treated as well as the public policies th...

Just like us, social stress prompts hamsters to overeat, gain weight

...reater activation in brain regions responsible for fear and anxiety in laboratory rats and reduction in immune function compared with events that are predictable." Next steps Syrian hamsters provide a good model for obesity research, not only because they eat more and gain weight, but because, like hu...

Fire ants: Their true story told by the scientist who loves them

...he exotic transplant ?albeit mostly in the form of fear and loathing. The loathing seems a little unfair, since opportunistic fire ants will devour termites, ticks, weevils, mosquitoes and other major threats to Southern plants, property and people. Like a sort of subterranean family album, "The Fire Ant...

St. Jude test of bird flu vaccine proves successful

...ebby said. Flu experts and public health officials fear that such an H5N1 variant would trigger a human pandemic (worldwide epidemic). Webby is scheduled to present the findings of this study at the U.S. Public Health Service Professional Conference in Denver, Colo., May 3 at 12:30 pm EDT. The investiga...

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