Minggu, 14 Agustus 2011

ScienceDaily Health Headlines -- for Sunday, August 14, 2011

ScienceDaily Health Headlines

for Sunday, August 14, 2011

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Scientists highlight link between stress and appetite (August 13, 2011) -- Researchers have uncovered a mechanism by which stress increases food drive in rats. This new discovery could provide important insight into why stress is thought to be one of the underlying contributors to obesity. ... > full story

If fat dogs are cool, could fat people be, too? (August 13, 2011) -- Fat dogs are cool. And obese people may be, too. That's what new research suggests. ... > full story

Study sheds light on late phase of asthma attacks (August 13, 2011) -- New research explains why around half of people with asthma experience a "late phase" of symptoms several hours after exposure to allergens. ... > full story

Social acceptance and rejection: The sweet and the bitter (August 13, 2011) -- For proof that rejection, exclusion, and acceptance are central to our lives, look no farther than the living room, says a psychologist. "If you turn on the television set, and watch any reality TV program, most of them are about rejection and acceptance," he says. ... > full story

Lasers stimulate stem cells and reduce heart scarring after heart attack, study suggests (August 12, 2011) -- New research shows that "shining" bone marrow stem cells with a laser encourages these cells to migrate to the heart to facilitate the healing process. If applied to these cells a few hours after a heart attack, the scarring that weakens the heart muscle can be reduced by up to 80 percent. ... > full story

Drug development in the blink of an eye (August 12, 2011) -- The development of drugs for brain-related conditions is not an efficient process. A key reason for this is a lack of preclinical tests that accurately predict drug efficacy and detect unwanted side effects. But now, researchers have developed a new preclinical approach that they hope can be used alongside current strategies to guide more efficient drug development for brain-related conditions. ... > full story

Possible therapeutic target for depression and addiction identified (August 12, 2011) -- Researchers have identified an important part of the pathway through which stress affects mood and motivation for drugs. The finding may prove useful in humans by providing new potential targets for drugs to treat problems related to stress. ... > full story

Low vitamin D linked to earlier first menstruation (August 12, 2011) -- A study links low vitamin D in young girls with early menstruation, which is a risk factor for a host of health problems for teen girls as well as women later in life. ... > full story

Human-cell-derived model of amyotrophic lateral sclerosis provides a new way to study the majority of cases (August 12, 2011) -- For decades, scientists have studied a laboratory mouse model that develops signs of the paralyzing disease amyotrophic lateral sclerosis (ALS) as they age. Researchers have now developed a new model of ALS, one that mimics sporadic ALS, which represents about 90 percent of all cases. ... > full story

Resistance training can help smokers kick the habit, according to study (August 12, 2011) -- Resistance training, or weight lifting, can do more than just build muscle: it may also help smokers kick the habit, say researchers. ... > full story

Research reveals genetic link to human intelligence (August 12, 2011) -- New research provides the first direct biological evidence for a genetic contribution to people's intelligence. Previous studies on twins and adopted people suggested that there is a substantial genetic contribution to thinking skills, but this new study is the first to find a genetic contribution by testing people's DNA for genetic variations. ... > full story

'Good fat' most prevalent in thin children (August 12, 2011) -- Researchers have shown that a type of "good" fat known as brown fat occurs in varying amounts in children -- increasing until puberty and then declining -- and is most active in leaner children. ... > full story


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