Brightsurf Science News & Current Events

December 01, 2007
Napping a more effective countermeasure to sleepiness in younger people
Coffee is an effective countermeasure to sleepiness for both young and middle-aged people.

Study links blood transfusions to surgery complications in women
Women die and get infections more often than men after heart surgery because they tend to receive more blood transfusions, which boost the risks of bad outcomes, according to a study published in the December Journal of Women's Health.

PDSS reliable in measuring impact of sleep disorders on teens' academic performance
The Pediatric Daytime Sleepiness Scale is an independent, reliable tool in predicting the negative impact of a sleep-related breathing disorder and daytime sleepiness on a teenager's academic performance.

Childhood sleep-disordered breathing disproportionately affects obese and African-Americans
Sleep-disordered breathing, which can include various sleep behaviors ranging in severity from snoring to obstructive sleep apnea, disproportionately affects children who are overweight and African-American, according to a new study published in the December 2007 edition of Otolaryngology -- Head and Neck Surgery.

New study in the journal Sleep finds that sleep duration raises the risk for diabetes
The most common factors believed to contribute to diabetes are a decreased amount of physical activity and access to highly palatable processed foods.

DNA methylation shown to promote development of colon tumors
DNA methylation has been directly proven in mice to promote the development of colon tumors, and to target specific regions of DNA rather than being distributed at random.

Practice parameters discuss treatment for narcolepsy, other hypersomnias of central origin
Practice parameters published in the Dec. 1 issue of the journal Sleep serve as both an update of previous practice parameters for the therapy of narcolepsy and as the first practice parameters to address treatment of other hypersomnias of central origin, including idiopathic hypersomnia, recurrent hypersomnia and hypersomnia due to medical condition.

Highlights from the December 2007 Journal of the American Dietetic Association
The December 2007 issue of the Journal of the American Dietetic Association contains articles and research studies you may find of interest.

Altered sex hormone levels, higher body temp affects sleep quality in postmenopausal women
In an examination of potential relationships between objective sleep measures, nocturnal sex hormone levels, and the nocturnal course of body temperature of older postmenopausal women, a study published in the Dec.

Short, long sleep duration associated with increased mortality
A study published in the Dec. 1 issue of the journal SLEEP is the first to show that both a decrease and an increase in sleep duration are associated with an elevated risk of mortality by cardiovascular and non-cardiovascular means, respectively.

Nurses working extended shifts, are tired at work and sleep little likely to drive drowsy
Hospital staff nurses who work extended hours, work at night, struggle to remain awake at work, or obtain less sleep are more likely to experience a drowsy driving episode.

Brain patterns of former anorexics reveal clues to disorder's lasting impact
Even after more than a year of maintaining a normalized body weight, young women with past anorexia nervosa show vastly different patterns of brain activity compared to similar women without the eating disorder, Walter H.

Journal Sleep: Insomniacs are more likely to report a family history of the sleep disorder
Individuals with either current or past insomnia are more likely to report a family history of insomnia than are those who have never had the sleep disorder. is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to