MRIs May Detect Hidden Tumors in Breast Cancer Patients 

FRIDAY, March 12 (HealthDay News) -- MRI scans are more likely to turn up undiagnosed tumors in the breasts of postmenopausal women who already had cancer in their other breast, researchers report.

U.S. Minorities Especially Vulnerable to Kidney Failure 

FRIDAY, March 12 (HealthDay News) -- Poor, minority adults with moderate to severe chronic kidney disease are far more likely to progress to kidney failure than are whites with the disease, a new U.S. study has found.

Is Kindness Contagious? 

FRIDAY, March 12 (HealthDay News) -- Acts of kindness spread rapidly, and it takes only a few people acting cooperatively to influence dozens of others, U.S. researchers report.

Plavix Less Effective in Some Patients 

FRIDAY, March 12 (HealthDay News) -- The anti-clotting drug Plavix must now carry a "black box" warning on its label, alerting patients and doctors that some people don't metabolize the medication properly, U.S. health officials said Friday.

Pelvic Artery Stent Approved 

FRIDAY, March 12 (HealthDay News) -- Boston Scientific's Express LD Iliac Stent has been approved by the U.S. Food and Drug Administration to treat iliac artery disease, the company said in a news release.

Happy From Your Vacation? It Won't Last 

FRIDAY, March 12 (HealthDay News) -- No matter how cheerful you felt as you wiggled your toes in the sand on that secluded beach, no matter how thrilled you were to finally lay eyes on that Renaissance masterpiece, your vacation bliss won't last long.

Knee Surgeon's Expectations May Differ From Yours 

FRIDAY, March 12 (HealthDay News) -- Doctors and patients often have different expectations for knee and hip replacement surgery, and steps should be taken to close that gap, a new study shows.

Start Metformin Early for Best Results 

FRIDAY, March 12 (HealthDay News) -- If diabetics start the drug metformin early -- within three months of diagnosis -- it appears the drug will remain effective longer, a new study finds.

Bad Behavior in Youth Linked to Chronic Pain Later in Life 

FRIDAY, March 12 (HealthDay News) -- Children with behavioral problems are at increased risk for chronic pain when they reach adulthood, new Scottish research has found.

Adding Garlic Might Cut Cancer Risk 

FRIDAY, March 12 (HealthDay News) -- A new type of urine test shows that eating plenty of garlic may lower levels of a cancer-causing process within the body.

Football Injuries More Likely on Certain Artificial Turf 

FRIDAY, March 12 (HealthDay News) -- Pro football players are more likely to suffer certain types of knee and ankle injuries on an artificial turf called FieldTurf than on natural grass, a new study contends.

Daylight Savings: Not a Bright Time for All 

FRIDAY, March 12 (HealthDay News) -- Most people will welcome the start of daylight savings time this Sunday because it starts to stay light longer, even if that means the early mornings will be dark once again.

Clinical Trials Update: March 12, 2010 

(HealthDay News) -- Here are the latest clinical trials, courtesy of ClinicalConnection.com:

Health Highlights: March 12, 2010 

Here are some of the latest health and medical news developments, compiled by the editors of HealthDay:

Papaya Could Be a Cancer Fighter 

FRIDAY, March 10 (HealthDay News) -- An extract from dried papaya slows the growth of cancer cells in the laboratory, researchers report.

Health Tip: Having an Epidural 

(HealthDay News) -- An epidural is an injected anesthetic often used during labor and delivery to ease the pain of childbirth.

'Pill' Won't Shorten Your Life: Study 

FRIDAY, March 12 (HealthDay News) -- Good news for women who have used birth control pills: A long-term study finds that those who took oral contraceptives at some point in their lives have a lower risk of death than women who never took the "Pill".

Health Tip: Symptoms of Ketoacidosis 

(HealthDay News) -- Ketoacidosis occurs when diabetic people develop dangerously high levels of ketones, which are produced when stored fat is burned for energy.