A newborn had one of her fingertips cut off at a Guam hospital while being treated for a high fever.

Pacific Daily News reported Thursday (http://bit.ly/1drBxe5 ) that the baby's mother, Johanna Borja of Tamuning, says the cut was discovered as nurses were changing bandages securing an intravenous line. But Borja says the nurses didn't give her a clear explanation of what happened.

Marijuana enthusiasts are counting on more U.S. states to follow Colorado in legalizing the drug, but opponents said Thursday the fight over pot is far from over.

The Rocky Mountain state made drug history on New Year's Day with the inauguration of retail sales of marijuana for recreational use.

A naturally occurring hormone acts as spontaneous defense in the brain against the high caused by marijuana and could be useful in preventing addiction, researchers said Thursday.

French researchers studied lab rats and found that the steroid hormone pregnenolone reduced the activity of a particular brain molecule called the type-1 cannabinoid receptor (CB1).

Global retail giant Wal-Mart Stores has recalled a donkey meat product from some Chinese stores after tests found traces of other animals' DNA, the company said Thursday, after authorities said it contained fox meat.

The world's largest retailer will reimburse customers who bought the "Five Spice Donkey Meat" 50 yuan ($8.25), a spokeswoman told Agence France Presse.

Marijuana users celebrated Wednesday as Colorado became the first U.S. state to allow retail cannabis sales, putting it in the vanguard of efforts across the country to legalize the drug.

The western state famous for its ski resorts and breathtaking mountain vistas has issued 348 retail licenses -- including for small pot shops -- that can sell up to 28 grams of pot to people aged 21 or older.

Taiwanese authorities are monitoring hundreds of people who may have had contact with a mainland Chinese tourist infected with the H7N9 strain of bird flu, officials said Wednesday.

The 86-year-old man from the eastern Chinese province of Jiangsu is in stable condition in hospital in Taiwan, where he was on an eight-day tour, the Centers for Disease Control (CDC) said in a statement.

A U.S. Supreme Court justice has blocked a stipulation in the new health care reform law that requires some religion-affiliated organizations to provide insurance that includes birth control.

Justice Sonia Sotomayor acted late Tuesday just hours before the Affordable Care Act law was to take effect, in response to an order of nuns in Colorado, U.S. media reported.

Researchers say vitamin E might slow the progression of mild-to-moderate Alzheimer's disease — the first time any treatment has been shown to alter the course of dementia at that stage.

In a study of more than 600 older veterans, high doses of the vitamin delayed the decline in daily living skills, such as making meals, getting dressed and holding a conversation, by about six months over a two-year period.

Swedish scientists on Tuesday said they had found further evidence that sleep helps to promote the health of brain cells.

The clues come in two so-called biomarkers -- tell-tales of biological activity -- found in the blood of sleep-deprived young men.

A new crack has appeared within Spain's conservative ruling party over government legislation to ban women from freely choosing abortion.

Prime Minster Mariano Rajoy's government has come under fire from the opposition after announcing December 20 it would roll back a 2010 law that had allowed women to opt freely for abortion in the first 14 weeks of pregnancy.