ScienceDaily Health Headlines
for Saturday, July 12, 2008
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Scientists Learn How Food Affects The Brain: Omega 3 Especially Important (July 11, 2008) -- In addition to helping protect us from heart disease and cancer, a balanced diet and regular exercise can also protect the brain, and ward off mental disorders. Changes in diet are a viable strategy for enhancing cognitive abilities, protecting the brain from damage, and counteracting the effects of aging, according to a professor of neurosurgery and physiological science, who has spent years studying the effects of food and exercise on the brain. ... > full story
From Foe To Friend: Researchers Use Salmonella As A Way To Administer Vaccines In The Body (July 11, 2008) -- Researchers have made a major step forward in their work to develop a biologically engineered organism that can effectively deliver an antigen in the body. The researchers report that they have been able to use live salmonella bacterium as the containment/delivery method for an antigen. ... > full story
Structure Of Critical Protein From Ebola Virus Determined (July 11, 2008) -- Scientists have determined the structure of a critical protein from the ebola virus, which, though rare, is one of the deadliest viruses on the planet killing between 50 and 90 percent of those infected. ... > full story
Ground Cover Can Reduce Impact Of Biomass Harvest (July 11, 2008) -- Iowa State University researchers are looking at ways to use ground cover, a living grass planted between the rows of corn, in production farming. ... > full story
Verbally Aggressive Mothers Direct Their Children's Behavior (July 11, 2008) -- Verbally aggressive mothers tend to control their children's choice of activities as well as use physical negative touch, along with directives, when trying to alter their child's actions. ... > full story
Brain Cells Related To Fear Identified, Paving The Way For More Effective Treatment Of Post-Traumatic Stress And Other Anxiety Disorders (July 11, 2008) -- Potentially paving the way for more effective treatments of anxiety disorders, a recent Nature report has identified a critical component of the amygdala's neural network normally involved in the extinction, or elimination, of fear memories. ... > full story
New Tinnitus Treatment: Potential To Greatly Diminish Ringing In The Ears (July 11, 2008) -- A new study has shown potential to markedly improve tinnitus, commonly known as "ringing in the ears." Results of the initial case were published in The Laryngoscope in which a single patient was tested to examine the safety and feasibility of using maintenance sessions of low-frequency repetitive transcranial magnetic stimulation (TMS) to reduce tinnitus loudness and prevent its return over time. ... > full story
Individual Bone Implants Whose Structure Resembles That Of The Natural Bone Can Now Be Produced Easily (July 11, 2008) -- Individual bone implants whose structure resembles that of the natural bone can now be produced quite easily. First, a simulation program calculates the bone's internal structure and porosity, then a rapid prototyping machine "bakes" the implant from metal powder. ... > full story
Gene Therapy Research In Developing World Raises Ethical Red Flags (July 11, 2008) -- Early stage gene therapy clinical trials are recruiting patients from the developing world, providing medically deprived populations access to interventions that show promise but have largely unknown effects in humans. The practice may be inconsistent with international ethics guidelines on justice say ethicists. ... > full story
Umbilical Cord Stem Cells Transport Anti-Cancer Drugs Directly To Tumors (July 11, 2008) -- Researchers are working on a method of delivering cancer drugs that promises to be more efficient and reduce the side effects patients have to deal with. "Although chemotherapy has saved many lives, it often has undesirable side effects," said one of the researchers. "The people most excited about this research are people who have gone through chemo, because our approach may circumvent many of those side effects." ... > full story
Most Effective Dental Braces Are Least Attractive (July 11, 2008) -- When it comes to the attractiveness of orthodontic braces, less metal is better, according to a recent survey. The study of the public's attitude about the attractiveness of various styles of braces indicates that the types of dental appliances with no visible metal were considered the most attractive. Braces that combine clear ceramic brackets with thin metal or clear wires were a less desirable option, and braces with metal brackets and metal wires were rated as the least aesthetic combination. ... > full story
Gender, Time Of Day Affect Response To Vaccination (July 11, 2008) -- A new study in the journal Psychophysiology reveals that men, but not women, vaccinated in the morning produced a better peak antibody response to both hepatitis A and the influenza strain. ... > full story
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