A traveling U.S. hospital technician accused of infecting 30 people with hepatitis C with tainted needles told investigators he "lied to a lot of people" but denied taking or selling drugs.

David Kwiatkowski was arrested Thursday at a Massachusetts hospital where he was receiving treatment. Once he is well enough to be released, he will be transferred to New Hampshire to face federal drug charges, said U.S. Attorney John Kacavas.

A German court ruling that branded circumcision as grievous bodily harm has created waves in Switzerland where a second hospital announced on Friday a possible halt to the procedure.

The announcement, by St Gall hospital in the country's northeast, follows a decision Thursday by the Zurich children's hospital to temporarily suspend the operation, media reported.

Somalia has made strides toward food security one year since its famine but the situation remains critical, the U.N. Food and Agriculture Organization said Friday.

"Today Somalia is on the path to recovery but the situation remains critical and continued aid is vital in order to preserve food security," the Rome-based organization said.

Descendants of a British mutiny who have lived for generations in the Pacific have among the lowest rates of myopia in the world, according to an Australian study.

The study examined eye problems among the descendants of the Bounty sailors and their Polynesian wives who settled on Pitcairn Island after the mutiny in 1789 and who then moved to Norfolk Island off Australia's east coast.

Some 25,000 people, including celebrities, scientists and HIV sufferers are expected in the U.S. capital Sunday to call for a jumpstart in the global response to the three-decade AIDS epidemic.

Held every two years, the International AIDS Conference returns to the United States for the first time since 1990, after being kept away by laws that barred people with HIV from traveling to the country.

Faced with the highest HIV-AIDS rates in the United States, community health activists in the nation's capital have come up with a novel way for people to save their own lives while killing time.

The Department of Motor Vehicles (DMV) office in Anacostia, southeast Washington, is the first in the country to offer HIV tests to drivers who are waiting their turn for a new license or vehicle tag.

In Turkey, the land of kebabs and sweet lokum, expanding waistlines are the target of a new anti-obesity campaign by the government to help one million Turks slim down over the next year.

The numbers are staggering: a little over one out of every three people is obese, according to health ministry figures. Even more when it comes to women.

First peanuts, now eggs. Doctors have reversed allergies in some children and teens by giving them tiny daily doses of problem foods, gradually training their immune systems to accept them.

In the best test of this yet, about a dozen kids were able to overcome allergies to eggs, one of the most ubiquitous foods, lurking in everything from pasta and veggie burgers to mayonnaise and even marshmallows. Some of the same doctors used a similar approach on several kids with peanut allergies a few years ago.

The biggest genetic analysis of colon and rectal tumors show that these cancer types are almost indistinguishable, a finding that could improve treatment options, a study said on Wednesday.

A U.S.-funded consortium of scientists compared the genetic codes of cancer cells found in 224 samples of colorectal tumors.

About 117,000 babies were saved from HIV infection last year under South Africa's scheme to prevent mothers from passing on the disease during childbirth, health official said Thursday.

Among mothers with HIV, only 2.7 percent passed the virus to their babies in 2011, down from 3.5 percent in 2010, the Medical Research Council said. The rate was eight percent in 2008.