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Tag: "suffer" at biology news

One species, many genomes

...ch as protein production or gene regulation rarely suffer knockout hits. Genes that are important for the interaction with other organisms, on the other hand, such as those responsible for defense against pathogens or infections, are much more variable than the average gene. "The genetic variability appears...

Old memory traces in brain may trigger chronic pain

Why do so many people continue to suffer from life-altering, chronic pain long after their injuries have actually healed" The definitive answer -- and an effective treatment -- has long eluded scientists. Traditional analgesic drugs, such as aspirin and morphine derivatives, haven’t worked...

How to lose weight and not go hungry: HU researcher develops drug that mimics feeling of 'fullness'

...nde in his lab. Millions of people the world over suffer today from obesity, yet there is no “magic bullet” that has yet provided a universally accepted solution. However, a young researcher at the Hebrew University of Jerusalem feels he has come up with a practical weight loss solution for the obese perso...

Stroke study sheds light on left-right brain divide

...30% of their errors. This suggests that people who suffer damage to their right frontal lobe following a stroke may struggle in everyday situations which require attention to be switched flexibly from one thing to another. ‘This study highlighted the role that the right-hand side of the brain has in keep...

Rising skin cancer rates are more likely to affect wealthy people, says 12-year review

...hey found that men were 30 per cent more likely to suffer from basal cell carcinoma, the most common form of...ported cancers. And men were twice as likely to suffer from squamous cell carcinoma than women, accounting for 357 of the 640 cases reported each year. ...

Male circumcision overstated as prevention tool against AIDS

...he more Muslim countries of North Africa do indeed suffer much less AIDS than southern and western Africa, but this lower prevalence is not due to higher numbers of circumscribed males in these Muslim communities, but rather results from the fact that there are significantly fewer prostitutes in northern Af...

Focused ultrasound relieves fibroid symptoms in women

...percent of women in the United States age 25 to 50 suffer from symptomatic uterine fibroids. Fibroid symptoms can include excessive menstrual bleeding, enlarged uterine size, frequent urination, pelvic pressure or pain and infertility. According to the National Women’s Health Information Center, fibroid...

Mule deer moms rescue other fawns

...teps in to defend it. As a result, whitetail fawns suffer considerably more predation during the first months of life than do mule deer fawns." Mule deer may have developed a more effective aggressive defence because they rely on fighting to protect themselves against predators year-round, while whitetai...

Human stem cell treatment restores motor function in paralyzed rats

...eat hope to people with spinal ischemic injury who suffer from resulting spasticity and rigidity,” said Marsala. ...

Mice with a migraine show signs of brain damage

...reases dramatically, some parts of the brain still suffer from a lack of oxygen. The problem begins as the brain tries to recover from CSD, which throws the proportion of crucial ions like potassium and sodium out of balance, taking away the brain’s ability to function efficiently. This change in the pro...

Climate change was the cause of Neanderthal extinction in the Iberian Peninsula

...lusions point out that Neanderthal populations did suffer fluctuations related to climate changes before the first Homo Sapiens arrived in the Iberian Peninsula. Cold, arid and highly variable climate was the least favourable weather for Neanderthals and 24,000 years ago they had to face the worst weather c...

Anthrax paralyzes immune cells with lethal toxin, UF research shows

... adding that victims of inhalational anthrax often suffer hemorrhages in their lungs and lymph nodes. "No one understands why, and it could very well be due to paralysis of platelets." During and Southwick are currently looking for additional proteins targeted by anthrax. They hope to develop a diagnostic b...

Intelligent materials to regenerate bone tissue

... European Union and a million in the United States suffer from disorders in or serious defects of some part of their bone structure. Operations involving grafts or implants, required to mitigate the damage, depend decisively on the materials used. The European Nanobiocom project, led by INASMET-Tecnalia wi...

Revealing the machinery underlying the 'plastic' juvenile brain

...rly critical period of the first few years of life suffer the permanent visual impairment of amblyopia. Now, researchers comparing the genetic machinery of juvenile and adult mouse brains undergoing visual experience have uncovered differences in genetic activity that appear to be central to this plasticit...

Stanford-led study closes in on genes that may predispose some people to severe depression

...ogical traumas. Some 10 to 15 percent of people suffer from severe depression at some point in their lives, and 3 to 5 percent have it more than once. Women are twice as likely to develop depression as men, although the reason is not yet known. "We don't think depression is entirely genetic, by a...

NIH researchers discover protein that appears to regulate bone mass loss, the cause of osteoporosis

An estimated ten million Americans suffer from osteoporosis, and another 34 million Americans are at risk of developing the disease, which is characterized by a severe loss of bone mineral density, fragile bones and an increased risk of hip, spine and wrist fractures. The basic mechanism beh...

A 'traffic light' for neurons means 'go' for improving brain research

...lly. Other experiments showed that cells appear to suffer no ill effects from exposure to the light. They resume their normal function once the exposure ends. Potential applications The most direct application of optical neuron control is to begin experimenting with neural circuits to determine why ...

Gene tests and brain imaging reveal early dementia

...hat these same people were the ones who went on to suffer memory deterioration two to three years later. "It's surprisingly difficult to diagnose Alzheimer's with any certainty, but things are made easier if you know who runs the greatest risk," she says. "If genetic mapping, MRI and cognitive tests all...

Study shows isolation of stem cells may lead to a treatment for hearing loss

...ies for the numerous individuals that are going to suffer from noise-induced hearing loss in the near future. ...

Woven scaffolds could improve cartilage repair

...urrently have a satisfactory remedy for people who suffer a cartilage-damaging injury," Guilak said. "There is a real need for a new approach to treating these injuries. One of the beauties of this system is that since the cells are from the same patients, there are no worries of adverse immune responses or...

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