Vidyya Medical News Service
Volume 6 Issue 154 Published - 14:00 UTC 08:00 EST 2-Jun-2004 Next Update - 14:00 UTC 08:00 EST 3-Jun-2004
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Yo-yo dieting may have a long-term negative effect on immune function
Yo-yo dieting, in which a person repeatedly loses and regains weight, may have a lasting negative impact on immune function, according to new findings by researchers at Fred Hutchinson Cancer Research Center. Conversely, maintaining the same weight over time appears to have a positive effect on the immune system, report Cornelia Ulrich, Ph.D., and colleagues in the June issue of the Journal of the American Dietetic Association.  more

Low outdoor air supply in buildings increases exposure risk to cold viruses
In contrast to prior studies showing that hand contact transmitted cold viruses, investigators who sampled air from 3 buildings over 20 months found that occupants in buildings with a low outdoor air supply appeared to be at increased exposure risk to infectious cold droplets from fellow workers through the building's ventilation system. more

Physicians and nurses treating SARS patients are at high risk of developing the disease
Physicians and nurses who become involved in the early critical care phase of treatment directed at patients with severe acute respiratory syndrome (SARS), along with health care workers who performed endotracheal intubation on these patients, were at substantially increased risk of contracting the illness, according to Canadian clinical investigators.  more


COX-2 inhibitors reduce complications after laparoscopic surgery
Patients given a class of anti-inflammatory drugs before and after minimally invasive laparoscopic surgery experienced less pain with fewer postoperative complications and an earlier return to normal activities, according to Duke University Medical Center researchers.  more

Umbilical cord blood transplants, bone marrow transplants save lives
Umbilical cord blood and bone marrow transplants at Loyola University are curing or slowing the progression of many cancers originating in the bone marrow (i.e., leukemia, myeloma) or lymphatic system (lymphoma).  more

Stanford study suggests cream may ward off jellyfish stings
Two dozen volunteers bravely exposed their arms to jellyfish tentacles as part of a new Stanford University School of Medicine study to test a topical, over-the-counter cream designed to protect against stinging nettles. Fortunately for the volunteers, the cream appeared to be relatively effective.  more

One in three HIV positive gay men unaware they are infected
One in three HIV positive gay men don't know they are infected with the virus, suggests a large community study in Sexually Transmitted Infections. more

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