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Recent News and Articles on the Keywords: 0.50 + web  Related to the article below (Last Update: 8/4/2008)

Six Flags Announces Second Quarter Results
CNNMoney.com (press release) -
The teleconference will be broadcast live to all interested persons as a listen-only Web cast on http://investors.sixflags.com/. The Web cast will be ...SIX
Ucore Uranium Reports 2.57 Metres Grading 0.50% U3o8 From Bokan ...
MarketWatch - Jul 30, 2008
A plan map showing drill hole locations will be provided shortly on Ucore's web site. Ucore Uranium Inc. is a junior exploration company focused on ...CVE:UCU - OTC:CMTX
Priceline.com Includes Potential Hurricane Season Destinations In ...
Business Wire (press release), CA -
If it rains more than 0.50 inches per day on half or more of the days of a Sunshine Guaranteed vacation (including travel days), priceline.com will provide ...PCLN
MDRNA, Inc. Announces Second Quarter 2008 Financial Results and ...
StreetInsider.com (subscription), MI -
Please connect to the Investor section of MDRNA's Web site several minutes prior to the start of the live conference call to ensure adequate time for any ...MRNA
T-Mobile to expand VoD platform
Telecom Paper (subscription), Netherlands - Jul 30, 2008
... for GBP 0.50-1.50 per item. The mobile VoD service makes up more than 50 percent of all video consumed on T-Mobile's web'n' walk platform, said content ...
GFI Group Inc. Announces Second Quarter 2008 Results; Declares ...
MarketWatch - Jul 31, 2008
A live audio web cast of the conference call will be available on the Investor Relations section of GFI's Web site. For web cast registration information, ...GFIG
Administaff Announces Second Quarter Results
MarketWatch - Aug 1, 2008
The conference call script and company guidance will be available at the same Web site later today. A replay of the conference call will be available at ...ASF
Silver Quest Expands Capoose-Silver Trend Property
FOXBusiness - Aug 2, 2008
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A Better Web With 10 New SPDRs
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The expense ratio for all 10 ETFs is 0.50%. The country exposure of each ETF varies. Where the SPDR S&P International Energy Sector ETF (Ticker: IPW) has a ...
DineEquity, Inc. Announces Second Quarter 2008 Financial Results
MarketWatch - Jul 29, 2008
An online archive of the webcast also will be available on the Investor Information section of DineEquity's Web site. Based in Glendale, California, ...DIN
Source: Google News

The Hidden Web -
HA Kautz, B Selman, MA Shah - AI Magazine, 1997 - cs.rochester.edu
... Before presenting the REFERRAL WEB system in more detail, let us first evaluate
the feasi- bility of any approach to automating ... 1.00 0.50 0.0 109.8 99.1 ...

Measuring the Independence of Central Banks and Its Effect on Policy Outcomes -
A Cukierman, SB Web, B Neyapti - The World Bank Economic Review, 1992 - World Bank
... 0.75 5 years 0.50 4 years 0.25 Under 4 years or at the discretion of appointer 0.00 ...
0.75 Legislature 0.50 Executive collectively (eg council of ministers) 0.25 ...

Can Web Courses Replace the Classroom in Principles of Microeconomics? -
BW Brown, CE Liedholm - American Economic Review, 2002 - atypon-link.com
... 2001, was the product of a staff of pro- fessional web-course producers ... 50.34 (20.92)
(18.95) (21.29) Female ( 1) 0.52 0.46 0.42 (0.50) (0.50) (0.50) Black ( 1 ...

… AND SELECTED CHIRAL CHLORDANE-RELATED COMPOUNDS WITHIN AN ARCTIC MARINE FOOD WEB -
PF Hoekstra, TM O'Hara, H Karlsson, KR Solomon, … - Environmental Toxicology and Chemistry, 2003 - setacjournals.org
... 20), and bearded seals (Erignathus barbatus; blubber: n= 7). The food web magnification
factors ... EFs) of all chiral OCs were near racemic (EF= 0.50) in seawater ...
-

Exploring the factors associated with Web site success in the context of electronic commerce -
C Liu, KP Arnett - Information & Management, 2000 - Elsevier
... for the research constructs in this study are all well above the 0.50 level. ...
non-random errors, six webmasters and PC Magazine?s top 100 Web sites webmasters ...

Effects of resolution on food web structure -
ND Martinez - Oikos, 1993 - JSTOR
... species version of the web (Q). For exam- ple, if LIS in the web being analyzed
is half the LIS in the trophic-species version of the same web, then Q = 0.50. ...

Web caching and Zipf-like distributions: evidence and implications -
L Breslau, P Cao, L Fan, G Phillips, S Shenker - INFOCOM'99. Eighteenth Annual Joint Conference of the IEEE …, 1999 - ieeexplore.ieee.org
... 126 Web Caching and Zipf-like Distributions: Evidence and Implications Lee
Breslau, Pci Cao, Li Fan, Graham Phillips, Scott Shenker. ...

Dimensions Characterizing Programming Feature Usage by Information Workers -
C Scaffidi, A Ko, B Myers, M Shaw - Proc. 2006 Symp. Visual Languages and Human-Centric …, 2006 - doi.ieeecomputersociety.org
... Creating hyperlinks 65.2 -0.05 0.06 -0.62 Creating web forms 52.2 0.15 0.18 -0.50
Creating web page behavior scripts 42.9 omitted omitted omitted ...

Extending the TAM for a World-Wide-Web context -
JW Moon, YG Kim - Information & Management, 2001 - Elsevier
... between Perceived Playfulness and Behavioral Intention to Use the World-Wide-Web. ...
factors emerged with no cross-construct loadings above 0.50, indicating good ...

Optimal Foraging Strategy of the Sheet-Web Spider Lepthyphantes Flavipes Under Perturbation -
J Leclerc - Ecology, 1991 - JSTOR
... In this model, simulations are made at fixed values of pert (0, 0.05, 0.10, 0.15,
0.20, 0.25, 0.30, 0.35, 0.40, 0.45, and 0.50). For each web site, a random ...

Source: Google Scholar
 
 

Exposure To Dioxins Influences Male Reproductive System, Study Of Vietnam Veterans Concludes

Article Date: 22 Nov 2006 - 5:00am (PST)
A dioxin toxin contained in the herbicide Agent Orange affects male reproductive health by limiting the growth of the prostate gland and lowering testosterone levels, researchers at UT Southwestern Medical Center have found in a cohort study of more than 2,000 Air Force veterans who served during the Vietnam War.

The study, published in the November issue of the journal Environmental Health Perspectives, indicates that exposure to TCDD, the most toxic dioxin contained in Agent Orange, may disturb the male endocrine and reproductive systems in several ways.

"Until now, we did not have very good evidence whether or not dioxins affect the human reproductive system," said Dr. Amit Gupta, a urologist at UT Southwestern and the study's lead author. "Now we know that there is a link between dioxins and the human prostate leading us to speculate that dioxins might be decreasing the growth of the prostate in humans like they do in animals."

Article continues below and (thank you)
 
The researchers found that veterans exposed to dioxin had lower incidence rates of benign prostate hyperplasia (BPH), better known as enlarged-prostate disease. BPH is a disease in humans that is caused by an enlargement of the prostate. Patients must strain to pass urine and they also must urinate frequently. BPH can lead to complications such as an inability to urinate and urinary tract infection. Surgery is sometimes needed.

Dr. Claus Roehrborn, professor and chairman of urology at UT Southwestern and a study author, said, "We know that dioxin causes many endocrine disturbances in the human body. The study indirectly proves that BPH is an endocrine disorder."

Regarding the decreased risk for BPH found in the veterans groups, Dr. Gupta cautioned that the finding should not be interpreted as a positive result.

"It may be construed that a decrease in the risk of BPH is not a harmful effect, but the larger picture is that dioxins are affecting the normal growth and development of the reproductive system. Moreover, several effective treatments are available for BPH and thus reduction of BPH by a toxic compound is not a desirable effect."
 
The study was based on data from the Air Force Health Study (AFHS). The AFHS is an epidemiologic study of more than 2,000 Air Force veterans who were responsible for spraying herbicides including Agent Orange during the Vietnam War. This group is called the Ranch Hand group because the spray program was called Operation Ranch Hand. Agent Orange was contaminated by a dioxin called 2,3,7,8-Tetrachlorodibenzo-p-dioxin (TCDD).

This study also involved a comparison group comprising veterans who served in Southeast Asia during the same time period, 1962-1971, but were not involved in the spraying program and thus were exposed to dioxins at levels equivalent to the general population.

The veterans were interviewed and underwent physical examinations and lab tests during six examination cycles. The first cycle was conducted in 1982, so the veterans were followed for more than 20 years.

"We found that the risk of developing BPH decreased with increasing exposure to dioxins in the comparison group," said Dr. Arnold Schecter, professor of environmental sciences at the UT School of Public Health Regional Campus at Dallas and a study author. "The risk of developing BPH was 24 percent lower in the group with the highest dioxin levels compared to the group with the lowest levels. In the Ranch Hand group, the risk of BPH tended to decrease with increased exposure to dioxins, but at extremely high exposure levels there was a tendency for the risk to increase."

In addition, the study shows that higher dioxin exposure is associated with decreased testosterone levels, Dr. Gupta said.

"It is known that lower testosterone levels are associated with decreased sexual function, decreased muscle mass and strength, infertility, increased fatigue, depression and reduced bone density," Dr. Gupta said. "However, we could not conclude from this study that dioxin exposure did lead to any of these adverse affects in the veterans in the study."

The study points out the necessity to conduct additional environmental studies of the impact of dioxins and other toxins on the male reproductive system. Previous research was largely based on animal models, Dr. Gupta said, noting that the urgency of further research is underlined by a rise in disorders of the male reproductive tract over the past several decades.

These include a decrease in sperm production by almost 50 percent, a three- to four-fold increase in testicular cancer, an increase in the incidence of cryptorchidism (undescended testes, a condition where the testes are not in their normal location in the scrotum) and hypospadias (abnormality of the urethra).

The reason for this increase is not known, but it is thought that these disorders might be caused by environmental chemicals that are estrogenic and have endocrine-disrupting effects, Dr. Gupta said.

Dioxins are among the most toxic substances known and are thought to be partially responsible for this increase in male reproductive tract disorders. They are formed as byproducts of processes such as incineration, smelting, paper and pulp manufacturing and pesticide and herbicide production.

Humans are exposed to these chemicals primarily through consumption of animal fat and dairy products. Babies are exposed to the highest levels of dioxins through breast milk. Dioxins are eliminated extremely slowly from the body and they tend to stay in the body for several years to several decades after exposure.

###

Other researchers contributing to the study came from the UT Health Science Center at San Antonio and the Air Force Research Laboratory, Brooks City-Base, Texas.

About UT Southwestern Medical Center

UT Southwestern Medical Center, one of the premier medical centers in the nation, integrates pioneering biomedical research with exceptional clinical care and education. Its more than 1,400 full-time faculty members - including four active Nobel prize winners, more than any other medical school in the world - are responsible for groundbreaking medical advances and are committed to translating science-driven research quickly to new clinical treatments. UT Southwestern physicians provide medical care in 40 specialties to nearly 89,000 hospitalized patients and oversee 2.1 million outpatient visits a year.

Contact: Toni Heinzl
UT Southwestern Medical Center
 
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