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Tag: "healthy" at biology news

Dragonfly's metabolic disease provides clues about human obesity

...differences between the tissues and performance of healthy dragonflies and parasite-infected dragonflies that...site-infected dragonflies, but not in muscles from healthy dragonflies. Activation of p38 MAP kinase has been shown to be related to the development of insuli...

Embryonic selection of sex avoids conceiving blind children

...f going blind. This is because, in order to select healthy embryos in a manner that does not involve sex selection, it would be essential to know the exact mutation in the chromosome, something which has not been achieved in this particular case. This embryonic selection enables the prevention of the tran...

Planning ahead: Having the healthiest baby possible

...nancy have a better chance of delivering a robust, healthy baby. Three important measures include: Managing conditions such as diabetes, hypothyroidism, inherited disorders, obesity, sexually transmitted diseases, and oral health; Protecting one's health through supplements such as folic acid, vaccinat...

Study: Living coral reefs provide better protection from tsunami waves

... island as an example. The model demonstrates that healthy reefs offer the coast at least twice as much prote... framework by which to examine the assumption that healthy reefs protect shorelines more effectively. "For our purposes, we assumed that the health of the r...

Reading Shakespeare has dramatic effect on human brain

...nd the kind of impact it could have in maintaining healthy brain activity. Professor Davis added: "This interdisciplinary work is good for brain science because it offers permanent scripts of the human mind working moment-to-moment. It is good for literature as it illustrates primary human thinking. Throu...

Emotional control circuit of brain's fear response discovered

... HAPPY written across the images. Working with 19 healthy volunteers, the test was administered while participants underwent an fMRI scan. Based on neural activity, they identified activity in the rostral cingulate (rACC) region of the brain ?a region neuroscientists had not been previously able to defi...

Intrinsic eye protein halts angiogenesis

...resent evidence that unravels the mystery of how a healthy cornea remains clear and free of blood vessels, wh...ding conditions like macular degeneration. Because healthy corneas are avascular (free of blood vessels) they have long been the testing grounds for anti-angio...

Buildup of damaged DNA in cells drives aging

... response allows each of us to live as long and as healthy a life as possible despite the accumulation of genetic damage as we age. Findings from this study help to reconcile two conflicting hypotheses currently favored in the field of aging research about why we get old, according to the authors. The fir...

How blood flow dictates gene expression

...e animals and is required for the development of a healthy cardiovascular system, the next step is to elucidate the role of Klf2 in normal adult blood vessels and in the pathogenesis of vascular diseases, such as atherosclerosis. ...

Age-related changes in DNA repair illuminate the connection between age and genetic damage

...servation of genetic information and to ensure the healthy functioning of cells, and a connection between aging and DNA damage has long been suspected. One line of evidence supporting the connection is that defects in certain genes needed for DNA repair produce maladies that mimic those of accelerated aging....

Wolves are suffering less from inbreeding than expected

...is because the genetically diverse wolves are more healthy and stronger and thus more likely to become reproductively active, or if they are more preferred as mates by the opposite sex, we do not know. - Even if selection is favouring the wolves that are genetically diverse, genetic variation will inevita...

Chemotherapy temporarily affects the structures of the human brain

...r after surgery and three-years after surgery with healthy subjects. They found that at one-year, patients...re were no differences between cancer patients and healthy controls at any time point demonstrates that there is no observable cancer-effect in cognitive defic...

MIT creates 3-D scaffold for growing stem cells

...f a needle. The researchers were able to grow a healthy colony of adult mouse stem cells on the three-dimensional scaffold without the drawbacks of two-dimensional systems. In addition to helping researchers get a more accurate picture of how cells grow and behave in the body, the new synthetic struct...

A transplant in time

...gin producing these proteins, say by transplanting healthy tissue with the abilities that are lacking? Prof. Yair Reisner and Ph.D. student Anna Aronovich of the Weizmann Institute's Immunology Department, together with colleagues, showed, in research recently published in the Proceedings of the National Ac...

Smoking changes brain chemistry

...MRS data collected from 35 age- and gender-matched healthy controls. The results showed that the nicotine-dependent patients had significantly decreased concentrations of the amino acid N-acetylaspartate (NAA) in the anterior cingulate cortex (ACC), the part of the brain that processes pleasure and pain....

Resistant bacteria increasing source of muscle infection

...gues found that in 60 percent of the 45 previously healthy children with the muscle infections called myositi...nnaraj. "That's why I am seeing it in otherwise healthy children," she said. She and her colleagues are trying to find out why this particular form of th...

A new jump start for aging blood vessels

...ack and stroke, occur naturally, even in otherwise healthy individuals. Advanced age is also associated with increased levels of TNFa, a protein that can attack and destroy tumor cells but can also exacerbate chronic inflammatory diseases. To date, no studies have investigated the potential beneficial effe...

Cell wall of pneumonia bacteria can cause brain and heart damage

... that while neurons and endothelial cells remained healthy after cell wall uptake, a rapid decline occurred in cardiomyocytes' ability to contract as they do in the heart. The researchers were able to block this effect by first treating the cardiomyocytes with a molecule called CV-6209, which blocked PAFr, p...

Ground spider diversity studied in research project

...is to say: A diverse spider population signifies a healthy habitat. Spiders "help maintain the balance of nature," said Dr. John Jackman, Texas Cooperative Extension entomologist in College Station, "They help keep a lid on the population of arthropods. They keep us from being covered up with everything el...

High dopamine transporter levels not correlated with ADHD

...attention. The scientists ran the same tests in 25 healthy control subjects with the same exclusion criteria. To measure dopamine transporter levels, each subject was given an injection of a radiotracer (a radioactively labeled chemical) designed to bind to dopamine transporters while lying in a positron e...

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