Today's Top Stories

Painkillers Lower PSA Test Readings
Could complicate prostate cancer screening process, researchers say

Once-Weekly Diabetes Drug Boosts Blood Sugar Control
But Byetta has also been linked recently to patient deaths

Hurricane Threats: Time to Batten Down the Hatches
CDC offers tips to ride out dangerous storms -- before and after they hit

MRIs Don't Improve Breast Cancer Care, Outcome
Study finds getting one delays treatment, raises odds of mastectomy

2 Techniques Found Effective in Carotid Artery Narrowing
Angioplasty with stenting and endarterectomy successful in preventing ipsilateral stroke

Obesity Worsens Asthma
Sufferers more likely to be hospitalized, have lower quality of life, study finds

Blacks With Lung Disease Face Increased Cancer Risk
Men with prior history of COPD 6 times more likely to develop malignancy, study suggests

Last of Woolly Mammoths Had North American Roots
Beasts established themselves earlier than presumed

Drug Re-Sensitizes Breast Tumors to Treatment
Phase II study finds sorafenib helps reverse disease resistance to anti-hormonal therapy

Almost Half of Adults Will Develop Knee Osteoarthritis by 85
Study finds risk is greatest for those overweight or obese at age 45

FDA to List Drugs Under Review for Safety Issues
But officials say patients taking meds on Web site shouldn't overreact or stop taking them

Free Drug Samples May End Up Costing More
Uninsured patients tend to stay on these more expensive brand name drugs, study found

Chinese Work Sees Through Invisibility Quest
Researchers explain how theoretical 'anti-cloak' could bring objects out of hiding

No Place Safe From Allergies
Most can be controlled, but you need to know what triggers them, experts say

For Even Healthy Men, Alcohol Seems to Lower Heart Attack Risk
Moderate drinking appears to be beneficial, but doctors are cautious

Artery Plaque Rupture Can Occur Without Symptoms
But this makes build-up more vulnerable to future bursts, researchers find

Think You Are Lead-Free? Check Your Soil
Yards, parks in older U.S. cities retain high amounts of the toxin, research shows

Scientists ID 2 New Genes for Bowel Disease in Kids
Findings could lead to tailored treatments for IBD, study suggests

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