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Science News Archive 2007 - Page 32


Page 32 of 203

Study examines substance abuse prevalence among teens receiving routine medical care

A study published in Archives of Pediatrics & Adolescent Medicine found that approximately 15% of teens receiving routine outpatient medical care had positive results on a substance abuse screening test. The study highlights the importance of efficient office-based systems for substance abuse screening and therapeutic interventions.

SourceJAMA Network·JournalArchives of Pediatrics and Adolescent Medicine·DateNov 5, 2007

How sweet is it?

A new crop simulation model can predict the timing, quality, and weight of sweet corn crops, addressing seasonal production limitations and perishability issues. The model has significant promise for improving sweet corn production, with potential applications for producers, technical consultants, and the agricultural industry.

SourceAmerican Society for Horticultural Science·JournalJournal of the American Society for Horticultural Science·DateNov 5, 2007

WFU researchers discover new hemoglobin function

A team of researchers from Wake Forest University has discovered a previously undetected chemical process within the oxygen-carrying molecule hemoglobin that converts nitrite salt to the vasodilator nitric oxide. This reaction mechanism could have far-reaching implications for treating cardiovascular diseases.

SourceWake Forest University·JournalNature Chemical Biology·DateNov 4, 2007

Scientists question folic acid fortification

Scientists question mandatory folic acid fortification in flour, citing risks of unmetabolised folic acid entering the bloodstream and causing problems for people with certain medical conditions. The study suggests that even low doses of folic acid could lead to overconsumption and health issues.

SourceNorwich BioScience Institutes·JournalBritish Journal Of Nutrition·DateNov 2, 2007

Adolescence and autism: a difficult, but not hopeless, combination according to a new MUHC study

A new study by Dr. Eric Fombonne found that social skills training groups for autistic adolescents can lead to significant improvements in social and interpersonal skills. The groups, which involve role-playing and peer validation, have been shown to be efficient and effective in reducing problems with irritability and sensitivity.

SourceMcGill University Health Centre·JournalJournal of Autism and Developmental Disorders·DateNov 2, 2007

24-week course of interferon-alpha therapy prolongs survival in patients hepatitis C virus

A 24-week course of interferon-alpha therapy after curative treatment for HCV-associated HCC significantly reduces tumor recurrence rates and improves patient survival compared to those without interferon therapy. Patients who achieved a sustained virological response also exhibit improved liver function and prolonged overall survival.

SourceWorld Journal of Gastroenterology·JournalWorld Journal of Gastroenterology·DateNov 2, 2007

How does the antitumor drug get to the cell nucleus?

Italian researchers propose that copper transport protein Ctr1 binds platinum ion from cisplatin, stabilizing the trimeric channel structure and enabling endocytosis. This process allows cisplatin to accumulate in organelles, including the nucleus, where it exerts its antitumor effects.

SourceWiley·DateNov 2, 2007