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Medium-sized polyps yield significant number of advanced adenomas and cancer

According to a University of Pittsburgh-led study published in the December issue of Gastroenterology, medium-sized polyps found in the colon with flexible sigmoidoscopy and subsequently evaluated by full colonoscopy are associated with a significant number of advanced adenomas (high-risk polyps) and cancers.

2 Dec 2006

Human embryonic stem cells show potential in treating rats with Parkinson's symptoms

Brain cells derived from human embryonic stem cells improved the condition of rats with Parkinson's-like symptoms dramatically, but the treatment caused a significant problem - the appearance of brain tumors - that scientists are now working to solve.

2 Dec 2006

Gene therapy to treat erectile dysfunction shows promise

The first human study using gene transfer to treat erectile dysfunction (ED) shows promising results and suggests the potential for using the technology to treat overactive bladder, irritable bowel syndrome and asthma, according to the researchers.

2 Dec 2006

Computational model for cancer invasion

Vito Quaranta clicks on a small black dot on his computer screen. The dot - which represents about a thousand cancer cells - begins to "grow," morphing into a mass with finger-like projections that looks like an invasive tumor.

2 Dec 2006

Guanfacine no more effective than a placebo

Guanfacine, a medication commonly prescribed to alleviate symptoms of post-traumatic stress disorder, is no more effective than a placebo, according to a study led by researchers at the San Francisco VA Medical Center.

2 Dec 2006

Researchers discover protein interaction that may explain how Huntington's disease affects the brain

The findings, published in and featured on the cover of the current issue of Human Molecular Genetics, show how the mutated Huntington's protein interacts with another protein to cause dramatic accumulation of cholesterol in the brain.

2 Dec 2006

Some ob-gyns switching to cosmetic medicine clinics

Some ob-gyns, as well as other physicians, recently have left their specialties to practice cosmetic medicine, including acne treatments and Botox injections, at medical spas, the New York Times reports.

2 Dec 2006

Democratic congressional leaders plan to approve Federal embryonic stem cell funding measure in January

Democratic congressional leaders in January 2007 plan to approve a bill similar to a measure (HR 810) President Bush vetoed earlier this year that would have expanded federal funding for human embryonic stem cell research, the AP/Houston Chronicle reports (Kellman, AP/Houston Chronicle, 11/29).

2 Dec 2006

Kansas Judge asks State Supreme Court to let him keep confidential some information from abortion records case

Shawnee County, Kan., District Court Judge Richard Anderson -- who permitted Kansas Attorney General Phill Kline (R) to view edited medical records of 90 women and girls who underwent late-term abortions -- on Monday filed a response with the state Supreme Court asking that some information about the case be kept confidential, the AP/Kansas City Star reports.

2 Dec 2006

House Republicans tentatively schedule consideration of fetal pain bill

House Republicans have tentatively scheduled consideration next week on a bill (HR 6099) that would require women seeking abortions to be offered an anesthetic for the fetus and told that there is evidence the procedure can cause fetal pain, the AP/Forbes reports.

2 Dec 2006

Australia to provide Gardasil at no cost to girls and women ages 12 to 26

Australian Prime Minister John Howard on Wednesday announced that the government will provide about $342 million for a program that will offer Merck's human papillomavirus vaccine Gardasil at no cost to girls and women ages 12 to 26 living in the country, Bloomberg reports.

2 Dec 2006

New Hampshire to provide Gardasil at no cost to girls

New Hampshire Department of Health and Human Services officials on Wednesday announced plans to become the first state to provide Merck's human papillomavirus vaccine Gardasil at no cost to girls ages 11 to 18 as part of a state program that offers immunizations to minors, the AP/Nashua Telegraph reports.

2 Dec 2006

Traditionally low status of girls fueling child sexual abuse in sub-Saharan Africa

The problem of child sexual abuse in sub-Saharan Africa remains "stubbornly resistant to change" in part because of the traditionally low status of girls, a "lingering view" that sexual abuse should be dealt with privately and justice systems that "constitute obstacle courses" for women, some child advocates have said, the New York Times reports.

2 Dec 2006

Chinese court upholds prison term for human rights advocate Chen Guangcheng

A court in China's Shandong province on Friday upheld a four-year, three-month prison sentence for human rights advocate Chen Guangcheng -- who was arrested in China after attempting to bring a class-action lawsuit against the government for alleged human rights abuses associated with the enforcement of the country's one-child-per-family policy -- the Washington Post reports.

2 Dec 2006

Governments, donors falling short of antiretroviral treatment goals

Governments and international donors are falling short of their goals of providing antiretroviral drugs to HIV-positive people in developing countries who need them, according to a report released on Tuesday by the International Treatment Preparedness Coalition, the International Herald Tribune reports.

2 Dec 2006

Spread of HIV threatens India's economy

The spread of HIV in India, as well as looming water shortages and the volatile oil market, is threatening India's economy, Finance Minister Palaniappan Chidambaram said last week at the India Economic Summit organized by the World Economic Forum, the AP/International Herald Tribune reports.

2 Dec 2006

CleveMed awarded $245,000 NIH grant to develop a device for quantifying the efficacy of alternative medicine techniques

Cleveland Medical Devices has announced that it has been awarded $245,000 in NIH SBIR funding.

2 Dec 2006

Why COX-2 inhibitors such as Vioxx can cause heart attacks and strokes

COX-2 inhibitors are primarily used to treat pain in conditions such as arthritis. They work by blocking the COX-2 enzyme, which is expressed at sites of inflammation and underlies the production of hormones called prostaglandins which swell the joints and cause the feeling of pain.

2 Dec 2006

Advocates in India shift focus toward preventing spread of HIV among injection drug users

Some HIV/AIDS advocates in India are shifting their approach to fighting the country's epidemic from promoting condom use and safer-sex practices among commercial sex workers, truck drivers and migrant laborers to largely targeting injection drug users, the AP/International Herald Tribune reports.

2 Dec 2006

New approaches to expanding HIV testing

Nearly 300 U.S. physicians, government health officials and HIV/AIDS advocates on Wednesday gathered in Washington, D.C., for a two-day meeting that focuses on new approaches to expanding HIV testing in the nation and its potential effect on the health system, Reuters Health reports.

2 Dec 2006