Health Glance
In experiments with mice that have early-stage Alzheimer's disease, scientists at the Massachusetts Institute of Technology found memories are still stored in the brain but the condition prevents them from being accessed.
The scientists used a optogenetics, a technique that involves activating brain cells with light, in a proof-of-concept study showing missing memories may still exist in Alzheimer's patients' brains -- but scientists need a method to unlock them.
Scientists: Memories lost to Alzheimer's may be recoverable
Mosquitoes' rapid spread poses threat beyond Zika
As the world focuses on Zika's rapid advance in the Americas, experts warn the virus that originated in Africa is just one of a growing number of continent-jumping diseases carried by mosquitoes threatening swathes of humanity.
The battle against the insects on the streets of Brazil is the latest in an ancient war between humankind and the Culicidae, or mosquito, family which the pests frequently win.
Study links Splenda to higher risk of leukemia
Although Splenda has been promoted as a healthier alternative to refined white sugar, a recent study conducted in Italy linked the artificial sweetener to higher risk for leukemia.
Scientists found Splenda significantly increased the risk for leukemia, as well as other cancers, research that is in line with other studies in recent years.
The cancer cluster of Piketon, Ohio
A patch of land in the hills of rural Pike County, Ohio, hardly looks as if it played a key role in the Cold War. But as politicians dueled on the world stage, workers at the Portsmouth Gaseous Diffusion Plant south of Piketon toiled away producing weapons-grade uranium for the United States’ military.
The plant went online in 1954, lasted through the Cold War and is now in the process of winding down. Presciently, a group of Amish settlers who once plowed the land pulled up stakes when construction on the plant began in 1952. They were worried about the environmental impact, and the traditional pacifists were uncomfortable with the militaristic aspects of the complex.
SF declares tent city of homeless is health hazard
San Francisco health officials declared a tent city that has been growing along a city street a health hazard and gave homeless people living on the sidewalk 72 hours to clear the area.
The Department of Public Health said notices declaring the area along Division Street a public nuisance and encouraging homeless people to move to city shelters would be posted Tuesday.
CTE in the NFL: The tragedy of Fred McNeill
The night before Fred McNeill died in November, he was watching "Monday Night Football." The 63-year-old former Minnesota Viking linebacker and UCLA grad had his gold and blue slippers tucked under his bed. "He loved the game," said his youngest son, Gavin. "He was proud of what he did."
Yet the very same game had robbed so much from him.
McNeill had transitioned from playing 12 years of professional football into family life. He had a wife, Tia, and two young sons, Fred Jr. and Gavin. After playing in two Super Bowls, he spent his last NFL season studying law and eventually became a partner with a firm in Minneapolis.
Former NFL quarterback Ken Stabler had brain disease CTE
Former Oakland Raiders quarterback Ken Stabler, the late NFL MVP and Super Bowl winner who is a finalist for the Pro Football Hall of Fame, has been diagnosed with the brain disease CTE, Boston University researchers said Wednesday.
Stabler, who died of colon cancer at 69 in July, had Stage 3 chronic traumatic encephalopathy, Dr. Ann McKee told The Associated Press. McKee said the disease was widespread throughout his brain, with "quite severe" damage to the regions involving learning, memory and regulation of emotion.
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