Study raises questions about diesel emissions
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چکیده
منابع مشابه
What don't we know about colonoscopy? New study raises questions about practice, biology, and more.
T he sanguine attitude that many physicians and most other people have about colonoscopy — it may not be fun, but the screening ensures that you won’t die from colon cancer — needs to be revised in light of recent findings from a Canadian study, say some leading U.S. gastroenterologists. The study offered two surprises. Researchers in Toronto found that although a history of colonoscopy appeare...
متن کاملPFCs and Early Menopause: Association Raises Questions about Causality
Polyfluoroalkyl chemicals (PFCs)—chemicals used in the manufacture of stainand water-repellant products—are suspected endocrine disrupters. Animal studies have suggested an association between exposure to two of the most commonly encountered PFCs (perfluoro octanoate, or PFOA, and perfluorooctane sulfonate, or PFOS) and altered hormonal function, although evidence in humans remains inconsistent...
متن کاملSuspension recalls past cases , raises questions
When the University sent sopho more guard Kyle McAlarney home last Monday, it wasn’t just the bas ketball p lay e r’s nam e th a t got splashed across national h ead lines. The d ec ision to su sp en d McAlarney — who was arrested Dec. 29 on charges of marijuana possession — im m ediately p ro je c te d N otre Dam e in to the debate. “T he bad new s is everyone always looks at cases that ...
متن کاملPopulation aging raises questions for policymakers.
This issue of Asia-Pacific Population and Policy examines the size of the elderly population in Asia and projections for the next 50 years. It discusses some of the characteristics of Asia's elderly population. Information is based on a study of population momentum and population aging at the East-West Center prepared by the UN for the 32 countries in East, Southeast, and South Asia with popu...
متن کاملHuman papillomavirus: every answer raises more questions.
G human papillomavirus (HPV) is the most common sexually transmitted infection worldwide.1 Because it is so prevalent in men and women, is easily transmitted by skin-to-skin contact, and is often asymptomatic and undetectable, it is difficult to effectively prevent transmission despite our best efforts, including promotion of abstinence, condom use, and circumcision.2 This difficulty is very im...
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ژورنال
عنوان ژورنال: Environmental Science & Technology
سال: 2004
ISSN: 0013-936X,1520-5851
DOI: 10.1021/es040469k