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Science News for March 28, 2006


Loneliness linked to high blood pressure in aging adults

A University of Chicago study found that lonely individuals have significantly higher blood pressures than non-lonely people, even after accounting for other factors. The researchers discovered a strong link between loneliness and increased blood pressure in aging adults, with the greatest differences observed among older participants.

SourceUniversity of Chicago·JournalPsychology and Aging·DateMar 28, 2006

Helping mentally retarded children and adolescents

Mental retardation diagnosis is crucial for early intervention and management, emphasizing a multidisciplinary approach to determine the level and kinds of supports needed. Effective care also involves promoting independence and providing ongoing health surveillance to address comorbid conditions.

SourceElsevier Health Sciences·JournalCurrent Problems in Pediatric and Adolescent Health Care·DateMar 28, 2006

Mega eruption of Yellowstone's southern twin

The Vilama Caldera's 8.4 million-year-old mega eruption is considered one of the world's largest known eruptions, emitting approximately 2000 cubic kilometers of pyroclastic material. The size and volume of the associated caldera put it among the world's largest known eruptions, differing from Yellowstone's three cataclysmic events.

Hopes raised for effectiveness of multiple sclerosis drug

A research team led by Bibiana Bielekova found that daclizumab increases the number of regulatory natural killer cells, which correlates with better treatment outcomes for MS patients. The study suggests that daclizumab may not damage the immune system but rather shifts its reaction from T-cells to natural killer cells.

SourceUniversity of Cincinnati·JournalProceedings of the National Academy of Sciences·DateMar 28, 2006