Vidyya Medical News Service
Volume 5 Issue 196 Published - 14:00 UTC 08:00 EST 15-July-2003 Next Update - 14:00 UTC 08:00 EST 16-July-2003
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Study tests novel ways to help Americans keep weight off
>The National Heart, Lung, and Blood Institute (NHLBI) today announced the launch of a major study that could help solve one of the hardest aspects of weight loss--keeping off lost pounds. The study, called the "Weight Loss Maintenance Trial," will be done in two phases at four clinical sites.  more

Genes may interact to increase risk of lung cancer in smokers
Researchers have long sought to explain why some smokers get lung cancer and others do not. In one of the first studies to suggest that the interaction of two genes may play a role, researchers at the University of Pittsburgh Cancer Institute (UPCI) have found that inheriting alterations in both a DNA repair gene and a cyclin D1 gene may increase the risk of lung cancer in those exposed to tobacco carcinogens. more


Antioxidant may decrease risk of breast cancer
Researchers believe that higher total cysteine levels may be associated with a lower risk of breast cancer, according to a study presented today at the 94th Annual Meeting of the American Association for Cancer Research (AACR). Cysteine, an amino acid, is the precursor to glutathione (a powerful antioxidant and important detoxifying agent). Glutathione is used to cleanse the body of harmful toxins.  more

Bush touts AIDS program in Africa as U.S. subcommittee cuts funds
U.S. President George W. Bush visited Uganda, where a successful anti-HIV/AIDS program is reportedly the model for the United States' $15 billion, five-year effort targeting the disease in a dozen African nations. His visit coincided with a congressional subcommittee vote to cut funding for the program.  more

National Cancer Institute trial yields new data on colon cancer screening test
New data from the Prostate, Lung, Colorectal, and Ovarian (PLCO) Cancer Screening Trial give fresh insight into the appropriate screening intervals for colorectal cancer after a negative exam. The interim report published in the July 2 issue of the Journal of the American Medical Association* is the largest study to date of repeat sigmoidoscopy screening after an exam.  more

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