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Science News for February 19, 2002


Social factors may affect survival in lung cancer patients

A recent study found that social factors can significantly affect the survival rates of lung cancer patients, with African Americans facing higher mortality rates due to poorer physical performance and weight loss. The researchers adjusted for these factors in their analysis, finding no difference in outcomes between ethnic groups.

SourceAtrium Health Wake Forest Baptist·JournalJNCI Journal of the National Cancer Institute·DateFeb 19, 2002

Compounds rejuvenate rats, may aid humans

A combination of two compounds, acetyl-l-carnitine and alpha-lipoic acid, have been shown to improve physical and mental function in older rats. The study suggests that these compounds may have therapeutic potential for humans, with the goal of improving quality of life and health.

SourceOregon State University·JournalProceedings of the National Academy of Sciences·DateFeb 19, 2002

Other highlights in the Feb. 20 issue of JNCI

African-American patients with non-small-cell lung cancer have a significantly lower one-year survival rate compared to non-African-American patients. Despite similar disease stages and health care disparities, researchers found no difference in outcomes after adjusting for factors such as performance status and socioeconomic status.

SourceJournal of the National Cancer Institute·JournalJNCI Journal of the National Cancer Institute·DateFeb 19, 2002

Raloxifene after tamoxifen not beneficial

Researchers found that raloxifene did not prevent growth of breast tumors previously exposed to tamoxifen, while being less effective in blocking endometrial tumor growth. The study suggests that raloxifene may not further reduce the risk for breast cancer recurrence after five years of tamoxifen therapy.

SourceNorthwestern University·JournalJNCI Journal of the National Cancer Institute·DateFeb 19, 2002

American Thoracic Society Journal news tips for February (second issue)

Recent studies have shown that low-dose computed tomography can detect lung cancers at an earlier stage than traditional chest radiography. Additionally, research has found a higher incidence of acute lung injury in Australian intensive care units, with lower mortality rates compared to international studies. Furthermore, experts argue...

SourceAmerican Thoracic Society·JournalAmerican Journal of Respiratory and Critical Care Medicine·DateFeb 19, 2002