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Targeted Micro-Bubbles Detect Artery Inflammation, MU Study Finds

By Guest PostJanuary 1, 2013Healthanimals, arterial inflammation, artery inflammation, cardio exercise, cause of death, heart disease, human clinical trials, humans, isabelle masseau, leading, michael davis, pigs, plaque, risk for strokes, targeted micro bubbles, ultrasound, university of missouri, world

Procedure done in pigs could potentially detect heart disease early in humans

COLUMBIA, Mo. — Heart disease is a leading cause of death throughout the world. Doctors say that it is important to detect heart disease early before it becomes too serious. Now, researchers at the University of Missouri have found a way that they believe could help detect heart disease before it progresses too far as well as identify patients who are at risk for strokes.

In a study published in Medicine and Science in Sports and Exercise, Isabelle Masseau, an assistant teaching professor in the MU College of Veterinary Medicine, found that she could use targeted micro-bubbles to detect artery inflammation in pigs. She says that this procedure may help detect patients with heart disease or who are at risk for strokes before those ailments become too serious by monitoring artery inflammation, as that is an early warning sign of health problems. She says this procedure may also help monitor the effectiveness of artery inflammation treatments. (more…)

Super-fine Sound Beam could one Day be an Invisible Scalpel

By Guest PostDecember 27, 2012Healthcosmetic surgery, noninvasive surgery, optoacoustic approach, sound beam, sound waves, therapeutic ultrasound approach

ANN ARBOR — A carbon-nanotube-coated lens that converts light to sound can focus high-pressure sound waves to finer points than ever before. The University of Michigan engineering researchers who developed the new therapeutic ultrasound approach say it could lead to an invisible knife for noninvasive surgery. (more…)

Transfusions add Risk in Some Heart Attacks

By Guest PostDecember 27, 2012Healthaabb, abhishek sharma, analyzed data, anemia, blood transfusions, brown university, concentration, debabrata mukherjee, emergency, heart attack, hematocrit, high quality data, jorn wetterslev, liberal transfusions, maimonides medical center, medical factors, meta analysis, new york, patient, randomized trial, red blood cell, risk of death, saurav chatterjee, spectrum, statistical adjustments, texas tech university, treatment, united states, units of blood

A new study published in the Archives of Internal Medicine finds that while blood transfusions for heart attack patients with anemia are commonly performed in emergency rooms, the practice can increase the risk of death when the transfusions are too extensive. The authors, led by Saurav Chatterjee, a cardiology fellow at Brown University, compared evidence from 10 prior studies of more than 203,000 patients.

PROVIDENCE, R.I. [Brown University] — When heart attack patients present in the emergency department with some degree of anemia, or anemic patients have a heart attack, physicians have a tendency, but not much guidance, about whether to provide a blood transfusion. The idea is that a transfusion could help more oxygen get to the heart. Recent national guidelines suggested that there simply isn’t good evidence to encourage or discourage the common practice, but a new meta-analysis of 10 studies involving more than 203,000 such patients comes down on the side of it increasing the risk of death. (more…)

Experiencing Discrimination Increases Risk-Taking, Anger, and Vigilance

By Guest PostDecember 26, 2012Healthalzheimer's disease, behavior, black participants, black partners, brain aging, brain and body, cardiovascular activity, causal mechanism, cognitive decline, cross race partners, discrimination, experiencing rejection, false alarms, feedback, jeremy jamieson, katrina koslov, matthew k nock, negative statement, pattern of thoughts, physiological response, psychological factor, race and sex, risk taking behavior, san francisco, social interaction, university of california, wendy berry mendes, white partners

Experiencing rejection not only affects how we think and feel — over the long-term it can also influence our physical and mental health. New research suggests that when rejection comes in the form of discrimination, people respond with a pattern of thoughts, behaviors, and physiological responses that may contribute to overall health disparities.

“Psychological factors, like discrimination, have been suggested as part of the causal mechanisms that explain how discrimination gets ‘under the skin’ to affect health,” says psychological scientist and senior researcher Wendy Berry Mendes of the University of California, San Francisco. “We wanted to explore the behavioral consequences that follow experiences of discrimination to better understand these mechanisms.” (more…)

Mild Brain Cooling after Head Injury Prevents Epileptic Seizures in Lab Study

By Guest PostDecember 25, 2012Healthannals of neurology, antiepileptic drugs, brain, brain damage, chronic, epilepsy, epileptic seizures, genetics, hallmark of epilepsy, head injury, inflammation, intracranial eeg, jeffrey g ojemann, john w miller, matthew d smyth, mechanisms, mild cooling, mock cooling, nancy r temkin, neuronal activity, peltier cells, raimondo d ambrosio, recurrent seizures, refrigeration, rodent model, spontaneous, steven m rothman, traumatic head injury

Mild cooling of the brain after a head injury prevents the later development of epileptic seizures, according to an animal study reported this month in the Annals of Neurology.

Epilepsy can result from genetics or brain damage. Traumatic head injury is the leading cause of acquired epilepsy in young adults. It is often difficult to manage with antiepileptic drugs. The mechanisms behind the onset of epileptic seizures after brain injury are not known . There is currently no treatment to cure it, prevent it, or even limit its severity. (more…)

Chronic Worriers at Higher Risk for PTSD

By Guest PostDecember 24, 2012Healthanalyzing data, catastrophe, chronic anxiety, habitually anxious, michigan state university, naomi breslau, neuroticism, neuroticism scale, post traumatic, psychiatric experts, ptsd, retrospective study, risk, risk factor, stress disorder, trait, traumatic events, worry constantly

People who worry constantly are at greater risk for post-traumatic stress disorder, according to new Michigan State University research published in the journal Psychological Medicine.

Many people experience traumatic events such as the death of a loved one, being assaulted or witnessing violence, but only a small minority develop PTSD, said study author Naomi Breslau, a professor of epidemiology at MSU. (more…)

5 Crazy Makeup Trends That Stirred Fashion World in 2012

By Guest PostDecember 24, 2012Healthfashion experts, fashion trends, healthy skin, makeup rituals, makeup trends, skin care

Fashion travels quickly from ramp to street. It is no longer confined to ramp or backstage, but has gone beyond with increase in affordability. Fashion experts believe that globalization has brought a shift in fashion from being region specific to cosmopolitan. (more…)

Public Obsession with Obesity May be More Dangerous than Obesity Itself, UCLA Author Says

By Guest PostDecember 23, 2012Culture, Healthabigail saguy, body mass, cervical cancer, civil rights, confirmation bias, diabetes, genetic factors, neighborhood limitations, obesity, obesity epidemic, obesity task force, poor nutrition, social factors, socioeconomic status, sociologist, stress, third factor, ucla, us population

Much has been made about who or what is to blame for the “obesity epidemic” and what can or should be done to stem the tide of rising body mass among the U.S. population.

A new book by a UCLA sociologist turns these concerns on their head by asking two questions. First, how and why has fatness been medicalized as “obesity” in the first place? Second, what are the social costs of this particular way of discussing body size? (more…)

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