Add BrightSurf on Google Email

Science News Archive 2009 - Page 21


Page 21 of 277

Ethnic pride key to black teen mental health

A new study by Northwestern University found that ethnic pride is crucial for the mental well-being of young African-American adolescents. The research discovered that increased feelings of ethnic pride are associated with reduced depressive symptoms in both male and female students.

SourceNorthwestern University·JournalChild Development·DateDec 1, 2009

To keep muscles strong, the 'garbage' has to go

Researchers found that mice deficient in a gene required for autophagy develop muscle atrophy and weakening, resembling certain diseases. Maintaining normal autophagy levels is crucial to clear away damaged cells and prevent muscle weakness with age.

SourceCell Press·JournalCell Metabolism·DateDec 1, 2009

Binge drinking youths find getting old a drag

A study by Dr. John Garry and Dr. Maria Lohan found that young men who perceive declining happiness with age are more likely to engage in risky health behaviors like binge drinking. The researchers analyzed data from over 1,000 citizens of Northern Ireland aged 15+, finding that just over half were categorized as binge drinkers.

SourceSpringer·JournalJournal of Happiness Studies·DateDec 1, 2009

Investigators identify successful weight control strategies for adolescents

A new study published in the Journal of the American Dietetic Association found that adolescents who successfully lost weight reported using six or more healthy weight control behaviors, such as eating more fruits and vegetables and exercising regularly. In contrast, those who did not lose weight relied less on structured behavior stra...

SourceElsevier Health Sciences·JournalJournal of the American Dietetic Association·DateDec 1, 2009

New source discovered for the generation of nerve cells in the brain

Researchers at Helmholtz Munich have discovered a new source of nerve cell generation in the adult brain, specifically in the olfactory bulb. This discovery may lead to new therapeutic approaches for Alzheimer's disease, where nerve cell degeneration plays a crucial role.

New safety concern related to antipsychotic treatment

Researchers found that antipsychotic medications increase levels of inflammatory markers, contributing to the risk of diabetes, hypertension, and heart disease in patients. The study highlights the need for monitoring cardiovascular risk markers in antipsychotic-treated patients.

SourceElsevier·JournalBiological Psychiatry·DateDec 1, 2009

JCI online early table of contents: Dec. 1, 2009

High urea levels in chronic kidney failure have been found to be toxic, leading researchers to suggest a potential new treatment strategy. Antioxidant therapy was shown to restore insulin sensitivity in mice with end-stage kidney disease. Similarly, targeting the molecular link Mdm2 may help prevent progression of late-stage metastatic...

SourceJCI Journals·JournalJournal of Clinical Investigation·DateDec 1, 2009

Psychologists suggest parents should wait to teach toddlers self-control

Research suggests that pushing toddlers to develop self-control too early may hinder brain development. Toddlers rely on brute-force competition to learn social conventions like language acquisition. Their immature brains are better equipped for learning through trial and error, allowing them to pick up skills effortlessly.

SourceAssociation for Psychological Science·JournalCurrent Directions in Psychological Science·DateDec 1, 2009

Loneliness can be contagious

Researchers found that lonely people tend to share their loneliness with others, gradually moving to the fringes of social networks. As a result, these individuals become less connected and more isolated.

SourceUniversity of Chicago·JournalJournal of Personality and Social Psychology·DateDec 1, 2009

Fear of anxiety linked to depression in above-average worriers

Researchers found that anxiety sensitivity significantly predicted depression symptoms in above-average worriers. The fear of cognitive dyscontrol and publically observable anxiety symptoms specifically correlated with depression. Understanding this link may lead to new depression treatments by addressing anxiety sensitivity.

SourcePenn State·JournalJournal of Anxiety Disorders·DateDec 1, 2009

Patients say 'no thanks' to risky medical treatments

A recent study found that increasing patient responsibility for medical decisions decreases their willingness to accept risky treatments. Patients who were presented with choices reported higher worry about risks and lower uptake of treatment.

SourceWiley·JournalArthritis Care & Research·DateNov 30, 2009

The therapeutic benefits of the human-animal bond

Research documents the value of the human-animal bond in improving child development, elderly care, and rehabilitation outcomes. A growing body of evidence highlights the healing power of companion animals in reducing stress, providing affection, and fostering a sense of security.

SourceWiley·JournalFamily Process·DateNov 30, 2009

Tuberculosis: On the path to prevention

Scientists at MUHC and international colleagues discovered a chromosomal site controlling natural resistance to TB infection, found in 20% of individuals from high-exposure areas. The findings hold promise for preventing TB infection in the general population by stimulating resistance mechanisms.

SourceMcGill University Health Centre·JournalJournal of Experimental Medicine·DateNov 30, 2009

Embargoed news from Annals of Internal Medicine

A new self-assessment score has been developed to predict diabetes risk, showing promise as a simple and effective tool. Additionally, researchers are considering alternative bacteria, Fusobacterium necrophorum, for sore throat treatment due to its association with a rare but life-threatening complication, Lemierre syndrome. Furthermor...

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·DateNov 30, 2009