Volume 8 Issue 122
Published - 14:00 UTC 08:00 EST 2-May-2006 
Next Update - 14:00 UTC 08:00 EST 3-May-2006

Editor: Susan K. Boyer, RN
Vidyya.
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Eat less, weigh more? Enzyme makes lean mice 'susceptible' to dietary fat

Working with genetically engineered mice, Johns Hopkins scientists have interfered with the brain's ability to control an animal's response to a high-fat diet. The report, to be published in the latest issue of the Proceedings of the National Academy of Sciences online the week of May 1, is based on the identification of a gene - CPT1c - the brain needs to manage body weight. more  

Study of operating room safety shows nurses rate first, surgeons last

A study based on a survey measuring attitudes toward the work environment in the operating room (OR) reveals that surgeons exhibit the lowest level of teamwork and nurses the highest. more

Melatonin improves mood in winter depression

Researchers at Oregon Health & Science University(OHSU) have found that melatonin, a naturally occurring brain substance, can relieve the doldrums of winter depression, also known as seasonal affective disorder, or SAD. The study is publishing online this week in the Proceedings of the National Academy of Science. more  

Does IQ drop with age or does something else impact intelligence?

If college students had to perform under conditions that mimic the perception deficits many older people have, their IQ scores would take a drop. more

Minimally invasive approach can take the pain out of herniated disks 

Much like the aging face, the taut disks that cushion the spinal column, enabling us to twist and bend, become less elastic over time. more

Survey suggests parents' perceptions about children's access to household guns are often inaccurate  

A survey of parents and children in rural Alabama suggests that some parents may not realize that their children know the location of and have handled household firearms, according to a study in the May issue of Archives of Pediatrics & Adolescent Medicine, one of the JAMA/Archives journals. more

Antidepressant medication may prevent recurring depression in diabetics

The antidepressant sertraline may reduce the risk of recurrent depression and increase the period of time between episodes of depression in patients with diabetes, according to a study in the May issue of Archives of General Psychiatry, one of the JAMA/Archives journals. more

 

Do the obese really over eat? When fed a high-fat diet (mouse chow laced with lard) for 10 weeks, mice lacking CPT1c ate much less than their normal littermates, but were much heavier.