A panel of experts on Tuesday urged U.S. regulators to allow an over-the-counter version of a test that could allow people to test themselves at home for human immunodeficiency virus (HIV).

The Blood Products Advisory Committee voted unanimously, 17-0, that the OraQuick In-Home Test was safe and effective and that any benefits outweighed the potential risks of use.

The Obama administration is adopting a landmark national strategy to fight Alzheimer's disease, with an ambitious goal of finding some effective treatments by 2025.

For families suffering today, the first National Alzheimer's Plan offers some help too. Starting Tuesday, families can turn to a one-stop website, www.alzheimers.gov , for easy-to-understand information about where to get help. Doctors also will get a chance to receive training on how to better care for people with Alzheimer's.

People suffering from HIV/AIDS are at much higher risk than the general population of sudden cardiac death, researchers in California have found.

In a paper published Monday in the "Journal of the American College of Cardiology," two professors at the University of California-San Francisco show incidents of "sudden cardiac death" to be four times higher for HIV/AIDS patients, a result the researchers found surprising, according to a university press release.

The spiraling global population and over-consumption are threatening the future health of the planet, conservation group WWF warned on Tuesday.

The demand on natural resources has become unsustainable and is putting "tremendous" pressure on the planet's biodiversity, the body said.

"Should I, shouldn't I?" That's the question that 31-year-old Kabo Moeti ponders as he waits outside a clinic in a Botswana village, where he's considering getting circumcised.

"I am so afraid and confused. What if something goes wrong, what if my sexual life is negatively affected?" he said in his village of Molepolole, outside the capital Gaborone.

An outbreak of measles in part of Pakistan's lawless tribal northwest has killed 12 children in three weeks and is spreading due to a shortage of medicines, doctors said Monday.

Doctor Mohammad Ali Shah, chief of the main hospital in Miranshah, the biggest town in North Waziristan, told Agence France Presse that military operations, power cuts and curfews meant there was a shortage of medicines.

The Food and Drug Administration is considering approval of the first over-the-counter HIV test that would allow consumers to quickly test themselves for the virus at home, without medical supervision.

FDA reviewers said Friday the OraQuick In-Home HIV test could play a significant role in slowing the spread of HIV, according to briefing documents posted online. But they also raised concerns about the accuracy of the test, a mouth swab that returns results in about 20 minutes.

Sunscreen confusion won't be over before summer after all. The government is bowing to industry requests for more time to make clear how much protection their lotions really offer.

The Food and Drug Administration ordered changes to sunscreens last summer but gave their makers a year — until this June — to get revised bottles on the shelf.

A video featuring cancer-stricken children, their nurses, doctors and parents lip-synching and dancing to the popular Kelly Clarkson song "Stronger" has become an online sensation.

Clarkson, in her own video message to the children at Seattle Children's Hospital, said it was "amazing."

Facebook's big stock offering on Wall Street must be followed by an intensive debate on Main Street about social media's powerful impact on children, an expert on the topic said.

Jim Steyer, founder of Common Sense Media, a San Francisco think tank focusing on media and families, said the technology that Facebook represents is having "an enormous impact" on youngsters, families and schools worldwide.