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Science News for January 27, 2003


Teens prefer talking to mom about drug use topics

A recent study by Dr. Michelle A. Miller-Day found that 70% of adolescents prefer discussing important topics with their mothers. The study, which surveyed 67 African-American and White teens aged 11-17, suggests that teenagers are more likely to confide in their mothers about drug use and extend those conversations to their peer groups.

SourcePenn State·JournalJournal of Adolescent Research·DateJan 27, 2003

New protein will help fight inflammation

Scientists at Cardiff University have developed a new protein to help manage acute infection and inflammation. The protein has been jointly investigated by Dr Simon Jones and Dr Nicholas Topley for several years, revealing its potential in treating chronic disorders such as rheumatoid arthritis and bacterial peritonitis.

Research reveals how strep bacterium evades immune system

Scientists have discovered how the strep bacterium evades destruction by the human immune system, leading to new research on vaccine candidates and therapy interventions. The study found that GAS becomes more resilient to ingestion and killing by PMNs over time or produces factors that alter normal PMN function.

SourceNIH/National Institute of Allergy and Infectious Diseases·JournalProceedings of the National Academy of Sciences·DateJan 27, 2003

Costly tests unnecessary for some miscarriages, University of Pittsburgh geneticist says

A recent study by W. Allen Hogge, M.D., found that nearly 56% of miscarriages are caused by chromosomal abnormalities, with higher rates among women over 35. The study recommends regular karyotyping tests after the second loss and more advanced testing only when no genetic abnormality is found.

SourceUniversity of Pittsburgh Medical Center·JournalAmerican Journal of Obstetrics and Gynecology·DateJan 27, 2003