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Tag: "humans" at medical news

Cigarette Smoking Delays Ligament Healing

... then again after surgery to mimic the behavior of humans who continue to smoke following an injury. The researchers say athletes who smoke should keep these findings in mind before driving for a lay-up, sliding into second base or lacing up a pair of ice skates. The soft tissue healing that occurs foll...

Aedes Agypti Mosquitos Immune System Revealed

... mosquito which transmits deadly viral diseases to humans have been identified. This study is the first of its kind on the newly-sequenced genome of the Aedes aegypti mosquito, which is also published in this weeks Science. The researchers identified over 350 genes which are involved in the Aedes mosquito...

Ancient Viral Defense may Explain Susceptibility to HIV: Study

...nfected humans. Our theory is that this is because humans had this innate viral defense system," said Michae... in the journal Science. "TRIM5a may have served humans well millions of years ago, the antiviral protein does not seem to be good at defending against any ...

More Fat Leads to Less Coronary Artery Calcification

... omega-3 fatty acids is as effective in protecting humans against retinal disease as demonstrated by the findings of this study, this cost effective intervention could benefit millions of people." The participants mean age was 42, and mean duration of diabetes was 34 years. In addition to the CT scan, pat...

Ancient Ancestors Might Have Had a Clue to HIV

Scientist believe that humans distant ancestors won the battle against the now e...e faeces have suggested that the virus jumped into humans from a Cameroonian population of chimps early in the last century. A separate group of chimps in Cam...

Taking Animals Out of Laboratory Research

... forward which take account of the welfare of both humans and animals, without jeopardising the ground-breaking work on the major healthcare challenges of the 21st century taking place at research centres around the world. The official opening of the new FRAME Alternatives Laboratory will be performed by ...

Intake of Potatoes Boosts the Immune System

...cereals. About 10 percent of the starch eaten by humans is resistant starch - starch that is not digested in the small intestine and so is shunted into the large intestine where it ferments. Starch consumption is thought to reduce the risk of large bowel cancer and may also have an effect on irritable ...

Revealing the Secrets of Gut Ecosystem

...including as many as 400 species of bacteria, help humans digest food, mitigate disease, regulate fat stora...or more than 100 years, scientists have known that humans carry a rich ecosystem within their intestines. By applying sophisticated genetic analysis to sam...

Scientists Find Evidence of Human-like Altruism in Chimps

...ased on the assumption that it is either unique to humans or else the human version differs from that of oth...eaching as far back as the last common ancestor of humans and chimpanzees. The study, 'Spontaneous altruism by chimpanzees and young children' appears in th...

Gene Therapy Awakens the Brain Despite Blindness from Birth

...causes a blindness causing eye-retinal disorder in humans called Leber congenital amaurosis (LCA). When the researchers performed gene therapy on canines by introducing a working copy of RPE65 into their retina, the eye functions were restored in them. However, it was unclear whether the brains of the ani...

Fishes Use Threat of Punishment in Mating Process

...cial order and thats not so very different to how humans and other animals behave. Dr Wong said that experimentally it has always proved extremely difficult to demonstrate how higher animals, such as apes, use punishment to control subordinates and discourage anti-social activity because of the difficult...

Bamboo Seed: Viagra and Food for Mizos

...the fertility of rats. I don't know if it works on humans but I am sure it acts as a sex stimulant for rats,' C. Rokhuma said. Scientists are, however, yet to prove that these seeds can increase the fertility of rats or enhance human libido. The National Institute of Nutrition in Hyderabad has conduct...

Indian-born Australian Scientist Wins Award for Stem Cell Research

...ctoral work in reproductive physiology, working on humans and variety of mammal species, at Washington University in St Louis (USA). "I returned to India, armed with my knowledge of new technology and went on to win the Young Scientist Award for facilitating the development of assisted reproductive techn...

Angioplasty may Damage Kidneys

...mpair kidney function. This is the first data in humans to show that debris released during angioplasty and stenting of the kidney arteries can be harmful to kidney function, said Matthew Edwards, M.D., M.S., lead researcher and an assistant professor of surgery. It raises important questions about how to...

'Missing Link' Stem Cells may Shorten Path to Therapies

...led activin/Nodal -- that is now known to work for humans and mice may also unlock access to stem cells in these other species, said Pedersen. One persistent problem in trying to use stem cells to produce specialised cells for treatment -- to make insulin in the pancreas or beating-heart cells, for exampl...

Bird Flu Risk Still Running High in Egypt, Indonesia, WHO Says

...ently in Indonesia." Transmission of bird flu to humans remains very rare, and limited to those in frequent contact with infected poultry. But in WHO's view, a potential human pandemic cannot be ruled out so long as the virus lingers in birds. Egypt and Indonesia remained high-risk because of the perman...

Biology, Not Only Parents, Turns Sweet Kids into Delinquents

...ently used as an appraisal of autonomic arousal in humans and, specifically, measures the amount of sweat on the participant's palm when exposed to stressful stimuli. In this case, the children watched a video of a dolphin swimming in the ocean so that the researchers could collect their baseline stress ...

Anxiety Disorders Show in Tiny Tots

Anxiety disorders seem to afflict humans very early, not sparing even tiny tots. Children as young as two are being treated for anxiety disorders in New South Wales in Australia. Anxiety disorders in children are far more prevalent than depression, figures released by Macquarie Universi...

Uttar Pradesh Struggles to Contain Japanese Encephalitis

...us found in pigs and wild birds and transferred to humans by mosquito bite. It affects the brain and causes headaches, convulsions, high fever and respiratory distress. Many survivors are left mentally or physically handicapped. Every year, Japanese Encephalitis strikes the northern part of India, espe...

Male Pheromones Build Brain Cells in Female Mice

...d pheromone detection in some mammals. Although humans have receptors similar to those found in mice, the...ure whether pheromones trigger neuron formation in humans or not. They say that it is still a matter of speculation whether a subconscious whiff of an alpha-m...

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