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Science News for September 27, 1999


Elderly heart attack patients fare well with managed care

A study by Harvard Medical School found that elderly patients with acute myocardial infarction (AMI) covered by non-profit health maintenance organizations (HMOs) received higher use of lifesaving therapy and emergency transportation compared to those with fee-for-service insurance. HMOs improved access to timely urgent care, particula...

SourceHarvard Medical School·JournalArchives of Internal Medicine·DateSep 27, 1999

Single motherhood doesn't hurt schoolwork

A Cornell University study of over 1,700 six- and seven-year-olds found that single mothers' education levels were more important than family income for their children's math, reading, and vocabulary scores. Strong links between a mother's ability level and her child's academic performance were seen in white, black, and Hispanic families.

SourceCornell University·JournalJournal of Family Psychology·DateSep 27, 1999

Humus/Mineral interaction

Researchers found that increasing humus content can increase quinoline's movement to groundwater, but mineral interactions play a key role. The study suggests that strongly bound pollutants may still be broken down by microorganisms.

SourcePenn State·JournalSoil Science Society of America Journal·DateSep 27, 1999

Gamma/Delta T cells essential to regulating airway hyperresponsiveness in asthma, other lung diseases, according to National Jewish researchers

A recent study published in Nature Medicine has found that gamma/delta T cells are essential for regulating airway hyperresponsiveness, which is characterized by an exaggerated response to stimuli. The research suggests that these cells have a suppressive effect on airway constriction and may be a key target for future treatments.

SourceNational Jewish Health·JournalNature Medicine·DateSep 27, 1999

First three minutes of discussion about on-going area of marital conflict are predictive of divorce among newlywed couples

Researchers at University of Washington found that couples who later divorced displayed significantly more negative emotions and words in their initial discussions compared to those who stayed married. The study suggests that learning how to soften one's approach and improve emotional connectedness can help prevent divorce.

SourceUniversity of Washington·JournalFamily Process·DateSep 27, 1999