Health

Lung Cancer CT Screening Guidelines Revised:
Older, current and former heavy smokers should receive annual, low-dose CT screening, according to revised guidelines published in the Journal of the American Medical Association on Sunday. The revised guidelines follow, and in the JAMA paper are accompanied by, a systematic review of evidence on the role of CT screening for individuals at higher risk of lung cancer. CT (computerised tomography) or CAT scans are a type of x-ray that can detect early signs of lung cancer, but they can give false-positive results... [ Read about Lung Cancer CT Screening Guidelines Revised]

Reduced Glycerin Anti-HIV Product For Both Vagina And Rectum - Tenofovir Vaginal Gel:
An anti-HIV gel developed for vaginal use has been reformulated to make it safer to use in the rectum. Researchers from the Microbicide Trials Network (MTN) found that tenofovir gel was less harmful to the lining of the rectum and just as effective in protecting cells against HIV. The study is published in the Journal of Antimicrobial Chemotherapy. Charlene Dezzutti, Ph.D... [ Read about Reduced Glycerin Anti-HIV Product For Both Vagina And Rectum - Tenofovir Vaginal Gel]

How One Strain Of MRSA Becomes Resistant To Last-Line Antibiotic:
Researchers have uncovered what makes one particular strain of methicillin-resistant Staphylococcus aureus (MRSA) so proficient at picking up resistance genes, such as the one that makes it resistant to vancomycin, the last line of defense for hospital-acquired infections. They report their findings in mBio®, the online open-access journal of the American Society for Microbiology, on Tuesday May 22. "MRSA strains are leading causes of hospital-acquired infections in the United States, and clonal cluster 5 (CC5) is the predominant lineage responsible for these infections... [ Read about How One Strain Of MRSA Becomes Resistant To Last-Line Antibiotic]