How Bacteria Get Past Our Defenses

Research team uncovers how the bacterium that causes ulcers travels through the stomach mucus.

Rest Easy. When It Comes to Swine Flu, Your Pet Is Safe

Recent reports of H1N1 in a cat or pigs are likely very rare, experts say

Largest Known Galactic Congregation a "Graveyard"

Supercluster is bigger than first thought—and its inhabitants are all dead or dying.

Will New Anemia Drug Top Current Treatments?

Designed for a rare condition, it might have a wider application, experts say

Gene Discovery Gives Clues to Crohn's Disease, Colitis

Mutation is tied to a protein implicated in rare form of bowel disorder, researchers say

New HPV Vaccine Might Stop Vulvar Cancer in its Tracks

Working differently than Gardasil, Cervarix, it targets inside of virus, study shows

Poorer Outcomes After 'Off-Pump' Bypass Surgery

Keeping patients on the heart-lung machine improved survival, study found

FDA Initiative Seeks to Reduce Accidental Overdoses

The program will enlist health-care workers, drug makers, consumers, patients

PSA Reading Could Predict Post-Radiation Survival

Rising level in prostate cancer patients may call for more treatment, study finds

Waiting, Wondering About Radiology Results Irks Patients

Getting details in writing would be ideal, survey finds

The Internet and Americans' Resistance to Leadership

Americans have always been reluctant to grant anyone the right to tell us what to do.

Small Earthquakes May Not Predict Larger Ones

Quakes far from tectonic plate boundaries may simply be aftershocks of ancient temblors.

The Lesson Republicans Must Learn from Virginia and New Jersey

Finding the right issues to appeal to an increasingly conservative country.

Fast Eating Limits Gut Hormones That Induce Fullness

The result is overeating, research shows

Shorter, More Intense Radiation OK for Some Breast Cancers

Three-week course comparable to six-week treatment, researchers find

Study: Fiddler Crabs Exchange Sex for Survival

Study suggests female crabs are willing to have sex with nearby males for their protection.

Obama's Honeymoon is Over

One year after Obama won the presidency, many are questioning him on the economy and Afghanistan.

Computer Science Provides a Better Way to Test for Sleep Apnea

Some 24 percent of men and 9 percent of woman suffer from this sleeping disorder.

Health Buzz: Findings by 'Consumer Reports' on BPA Criticized and Other Health News

7 swine flu facts you should know now; building a diet that lowers inflammation

Sleepy Drivers a Menace on the Road

Close to 2 million crashes, close calls linked to drowsy motorists, survey suggests

Americans Gaining Awareness of COPD: Survey

Yet half of those with lung disease symptoms remain undiagnosed, experts say

What's Behind Latest Phobia Towards Vaccines?

Access to information online leads some to skip vaccines, fearing serious side effects.

How to Land a Holiday Job

Just as more people will be scouting for seasonal work, employers are expecting to hire fewer workers.

Chinese Agencies Fight for Control of "World of Warcraft"

Regulators from competing government agencies struggle for control over a popular online game.

Tapping the Power of the Local Library Anytime, Anywhere

Public libraries offer free Web access to powerful and otherwise expensive databases.

Clinical Trials Update: Nov. 4, 2009

Far Out Technology: An Elevator to Space?

Rather than be one massive structure, vehicles would run up a cable tethered to a mass in orbit.

GOP Sweeps Big Governor Victories in Virginia and New Jersey

Republicans wrested political control from Democrats in Virginia and New Jersey.

Health Highlights: Nov. 4, 2009

Robot Fish Could Monitor Water Quality

Robots would operate autonomously for months on end, providing valuable data on water conditions.

Health Tip: Getting Ready for Birth

Be prepared before you leave for the hospital

Focused Radiation May Help Some With Lung Cancer

Study reports successes, especially for those with good lung function

How Safe Are Popular Reflux Drugs?

Experts debate evidence linking acid-blockers to possible bone, heart problems

Kyoto Climate Treaty's Greenhouse 'Success'

With major climate talks in Copenhagen looming, a UN report tallies Kyoto's achievements.

10 Things You Didn't Know About Election Day

Elections are historically held in November because of the country's agrarian roots.

10 Things You Didn't Know About Bob McDonnell

The former state attorney general hopes to be Virginia’s next governor.

10 Things You Didn't Know About Creigh Deeds

The Democratic state senator is vying for Virginia governor.

Pelosi's Public Option a Nod to Moderates

Both the House and Senate healthcare bills will include a public option, but a battle looms.

Folate Levels in Pregnancy Tied to ADHD in Offspring

Prenatal nutrition seems to affect child's nervous system, brain growth, researchers say

Trauma Deadlier for Kids Without Insurance

Finding emphasizes need to fix U.S. health care, expert says

A Woman's Place Is at the Pentagon

Michele Flournoy and other high-ranking females are leading the way for a new generation.

CDC Urges Patience As More Swine Flu Shots Arrive

Total should near 42 million by week's end; more health-care workers getting vaccine

Deadly Stomach Bug Making Inroads Outside Hospitals

Study finds growing number of <i>C. difficile</i> infections among elderly

Severe Swine Flu Can Kill Young, Old Alike

Seniors may carry some immunity, but more likely to die if hospitalized, study finds

Low Cholesterol May Help Prevent Cancer

Two studies dispel longstanding fears about possible connection

Democrats: Elections Not a Referendum on Obama

GOP head Michael Steele is all smiles and is predicting a big day in New Jersey and Virginia.

Sugar Shortens Life Span in Worms

But it's unclear whether the same holds true for humans, researchers say

World Trade Center Workers Twice as Likely to Have Asthma

Rates continued to rise for several years after the attacks, study shows

Statins May Worsen Fatigue in Heart Failure Patients

But no one's suggesting the drugs should be stopped

Depression May Blur Memory of Aches and Pains

Expert suggests having people write down symptoms as they occur

Raw Images: Cassini's Close Flyby of Saturn's Moon

NASA's Cassini spacecraft performs flyby of Saturn's moon, Enceladus.

Health Buzz: E. Coli Blamed for 2 Deaths and Other Health News

Lifestyle factors and Alzheimer's disease; what teens believe about Facebook and MySpace.

Tip of the Green Spear: The Military Leads on Efficiency, Alternative Energy

Doe-eyed do-gooders aren't the face of environmentalism, the U.S. military is.

Has President Obama Fulfilled His Campaign Promises Since Last Election Day?

Does the president still inspire the hope and change of his campaign?

CDC Finds U.S. 30th in Infant Mortality

Finding is attributed to country's high rate of premature births

Drug Could Help Treat Small HER2-Positive Breast Tumors

Researcher urges studies to determine benefits of anti-HER2 therapies

FDA Issues Warning for Diabetes Drug

Reports of kidney problems for those using Byetta prompted action

Prominent Inventor Believed in Loch Ness Monster to the End

Rines was well known for his prototype radar, along with his belief in the existence of Nessie.

3 Holiday Gifts That Keep on Giving

Instead of giving your kids another gift certificate, consider teaching them a lesson in saving.

African Countries Boycott UN Climate Talks

Though they are the most vulnerable to global warming, Africans argue they are least responsible.

Why do Animals Have so Many Different Colors?

Darwin attributed color diversity to sexual selection, but another factor may be at play.

Limbaugh, Palin Urge Right to Purge Moderates From Republican Party

A House race highlights drive to purge moderates from the Republican Party.

Clinical Trials Update: Nov. 3, 2009

Health Highlights: Nov. 3, 2009

Health Tip: Have a Food Allergy?

Here are possible warning signs

Living With Less TV, More Sweat Boosts Weight Loss

Home environment plays role in effort to drop pounds, experts say

Switch to 'Light' Cigarettes Makes Quitting Tougher

Smokers may mistakenly believe they're 'healthier,' researchers say

Avoiding Another Space Shuttle Disaster

Extending a bird-watching system, a team devises method for real-time spotting of dangerous debris.

Mount Kilimanjaro's Glaciers Could Soon Vanish

World-renowned ice caps may disappear by the 2020s.

Building a Diet That Lowers Inflammation

Certain foods reduce inflammation, while others raise it. What to eat, what to avoid.

Inflammation, Genes, and Hypertension All Contribute to Alzheimer's Risk

While you can't control your genes, you can improve the other two and lower your risk of dementia.

Chronic Inflammation: Reduce It to Protect Your Health

Inflammation is linked to diabetes, depression, heart disease, and cancer; what you can do about it.

CDC Study Links 2 Antibiotics to Birth Defects

No added risk was found, however, for most commonly used infection-fighters

College President Salaries Continued to Climb

Some salaries increased by 15 percent before the economic crunch hit.

GOP: Karzai Win Clears Way for Obama Troop Decision

Despite Abdullah's decision, the Afghan government is still a source of concern in Washington.

One Dose of Swine Flu Vaccine Works for Pregnant Women

Young children need two doses, spaced several weeks apart, U.S. health officials say

Diet Soda, Sodium Tied to Kidney Trouble: Studies

It's more proof that what you eat and drink affects health, researchers say

Doctors Overprescribing the Pap Test

Many ignore guidelines, recommend screening to women at low risk, survey shows

TV May Increase Aggression in Toddlers

The more watched, the more aggressive the behavior, study finds

Podestas Rule Washington and Obama Guest List

Hollywood stars and big donors get more notice than big winner on Obama guest list: the Podesta family.

High Blood Pressure Likely in Alzheimer's Offspring

And hypertension could contribute to developing the brain disease, study finds

Food Stamps Help Stave Off Hunger in Many U.S. Homes

Over 30-year period, nearly half of American children received nutrition assistance, analysis shows

Nicotine Patch Plus Lozenge Best for Quitting Smoking

This combo wins out in first head-to-head study of various smoking-cessation aids

How Schools and Parents Can Prepare for Swine Flu

Here are tips for parents and schools to keep children healthy and engaged in their learning.

Michael Steele: Voters Giving GOP a 'Second Look'

The chairman of the Republican Party says Obama has gone off course in many ways.

Forget Inflation, Deflation Is a Bigger Danger

The next big economic worry could be the opposite of the expected.

Restless Legs May Vary by Race and Gender

Blacks are less likely, women more, to develop the disorder, study finds

Radiation After Surgery Lowers Chances of Melanoma Recurrence

But study did not find effect on overall survival

Hormone Therapy Can Help Some With Prostate Cancer

But often not needed for early-stage patients, long-running study shows

Study: Man-Eating Lions Consumed 35 People in 1898

Scientists were able to determine the number of victims through teeth and hair samples.

Household Chemicals May Affect Cholesterol Levels

PFCs are found in packaging, paper and exposures were evident in most people, researchers say

Delays in Lung Cancer Care More Common in Public Hospitals

Age, race, insurance also influence timing between diagnosis and therapy, study finds

Will Tuesday's Election Results Predict the Outcome of the 2010 Elections?

What will the elections in Virginia and New Jersey tell us about the future of the political parties?

Clinical Trials Update: Nov. 2, 2009

Health Buzz: Group to Track H1N1 Vaccine Safety and Other Health News

Americans and their preference for the sweet and salty; House healthcare bill and women's issues

Internet Believers: Pastors Open Online Churches

Online congregations offer sermons, private prayer chats with pastors and virtual gathering places.

PCs Shed Pounds and CD Drives, but Gain Touch Screens

New models reveal consumer preferences for cheaper, portable computing alternatives.

Research Produces Coating for Ice Resistant Roads

Inspired by lotus leaves, new nano technology prevents freezing rain from collecting on road surfaces.

New Purification Techniques Address Impending Global Water Crisis

Declining snowpack and the loss of glaciers will mean periodic shortages for major river systems.

Health Highlights: Nov. 2, 2009

The Internet Could Produce More Financially Equal Societies

Technology is found to play a large role in wealth inheritance.

Scientists Decode DNA of the Domestic Pig

The latest research may aid in efforts to find a new swine flu vaccine for pigs.

HIV Self-Test Proves Accurate

Study in an ER shows individuals successfully determined their own HIV status.

Your Cholesterol Drug Might Help You Weather the Flu

Data suggest illness is less likely to be fatal in those taking statins.

10 Tips to Save on Holiday Gifts

Here are ways to give presents without giving up lots of green.

Americans Get Failing Grade on Diabetes Awareness

Survey finds abundant myths about debilitating disease

Health Tip: Possible Triggers for Pica

Causes cravings to eat things that aren't food

Health Tip: Getting a Pap Test

Who needs one and when

Five-Minute Survey Can Help Predict Lung Cancer

Office visit questionnaire led to screening in high-risk study patients

Childhood Brain Cancer Causes Other Long-Term Problems

Treatment leaves survivors with significant cognitive decline, researchers find

Devastating Drought Alters Life for Kenya Nomads

An increase in the frequency of droughts mean families have less time to recover and restock herds.

For People on Dialysis, Too Thin Can Be Risky

More body fat means greater survival odds, researcher says

Virulent Strain of MRSA Resists Treatment

Type that causes bloodstream infections can be quickly fatal, study finds

Anemia Drug May Raise Stroke Risk in Kidney Patients

Use of Aranesp should be reserved for the most seriously ill, experts say