Get moving: New exercise guidelines released Tuesday set a minimum sweat allotment for good health. For most adults, that's 2 1/2 hours a week. How much physical activity you need depends largely on age and level of fitness.
Two Japanese scientists and an American won the 2008 Nobel Prize in physics on Tuesday for theoretical advances that help explain the behavior of the smallest particles of matter.
Before you dismiss the idea behind this product, think about all the dust, hair - both human and pet - plus who-knows-what-else floating around in the air in your house and, more specifically, the bathroom.
Using a fan to circulate air seemed to lower the risk of sudden infant death syndrome in a study of nearly 500 babies, researchers reported Monday. Placing babies on their backs to sleep is the best advice for preventing SIDS, a still mysterious cause of death.
More than 370 penguins that mysteriously washed up on Brazil's equatorial beaches were flown south on a huge air force cargo plane and released closer to the frigid waters they call home, animal advocates said Monday.
The federal government will designate "critical habitat" for polar bears off Alaska's coast, a decision that could add restrictions to future offshore petroleum exploration or drilling.
Most people over 75 should stop getting routine colon cancer tests, according to a government health task force that also rejected the latest X-ray screening technology.
A small asteroid was headed for a fiery but harmless dive into Earth's atmosphere early Tuesday morning over Africa, astronomers said in a first of its kind advance warning.
Two French scientists who discovered the AIDS virus and a German who defied convention in showing a viral cause for cervical cancer shared the Nobel Prize in medicine Monday for breakthroughs that have led to lifesaving drugs and a vaccine.
A bad electrical connection likely caused the malfunction that sidelined the world's largest atom smasher days after it was launched with great fanfare, a senior scientist said Monday.
The awarding of the Nobel Prize in medicine on Monday writes a postscript to a bitter scientific dispute in the 1980s over who deserved credit for discovering HIV and the resulting test to screen blood for it.
One in 75 patients who gets a knee or hip replaced must get it replaced again within three years, new research finds, although the studies underscore a question: Just how much pounding can a new joint take if you want it to last?
So much has been written about breast cancer it's hard to imagine there's anything new to say about a topic that will directly affect more than 182,000 women this year in the United States.
Who knew? Women, it turns out, sleep better than men, says Wichita sleep medicine specialist Thomas Bloxham. Left to our own devices, we sleep longer and deeper, with fewer problems such as narcolepsy or sleep apnea.
Cynthia Reilly, director of the practice development division of the American Society of Health-Systems Pharmacists, offers advice for shopping online:
An injected Johnson & Johnson biologic drug used to treat several immune diseases controlled Crohn's disease, a difficult-to-treat bowel disorder, better than a widely used pill, a study found.
Conservationists have taken the first detailed look at the world's mammals in more than a decade, and the news isn't good.
Three European scientists shared the 2008 Nobel Prize in medicine on Monday for separate discoveries of viruses that cause AIDS and cervical cancer, breakthroughs that helped doctors fight the deadly diseases.
Warning: young children should not keep hedgehogs as pets - or hamsters, baby chicks, lizards and turtles, for that matter - because of risks for disease.
Laura Gadd pauses at the edge of a pristine savanna, delicately lifting her feet to avoid trampling any venus flytraps hidden underfoot.
More children have died from flu because they also had staph infections, according to a new government report that urges parents to have their kids get the flu shot.
Rattlesnakes aren't to be trifled with, but if you're trying to collect the sound of every creature in the West that slithers, hops, flies or flops, distance isn't a luxury you can afford.
Recent winners of the Nobel Prize in physiology or medicine, and their research, according to the Nobel Foundation:
The government is urging consumers to thoroughly cook frozen chicken dinners after 32 people in 12 states were sickened with salmonella poisoning.
At 7, Nora and Emma don't understand all the science it took to create them. What they do understand is that there are two very important women in their lives.
For one hour, each Monday through Friday a few months ago, seniors at the Fairwinds residential community in Redmond, Wash., donned headphones, stared at computer screens and followed instructions.
It's nearly summer, when the living is easy -- and your feet have to work twice as hard.
When my older son was 5 days old, a friend took him for a walk so I could take a much-needed nap. My baby grew hungry during their outing, but rather than returning and waking me up, my friend went ahead and breast-fed him herself.
Think you know all about protecting your skin from the sun?
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