Seeing the World With New Eyes: Biosynthetic Corneas Restore Vision in Humans

A new study from researchers in Canada and Sweden has shown that biosynthetic corneas can help regenerate and repair damaged eye tissue and improve vision in humans. The results, from an early phase clinical trial with 10 patients, are published in the August 25th, 2010 issue of Science Translational Medicine.

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Omega-3 margarines fail to help in heart study

Giving patients with a history of heart attacks a margarine enriched with omega-3 oils in addition to standard drugs appears to make no difference to their chances of having a repeat attack.

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Attention, Couch Potatoes! Walking Boosts Brain Connectivity, Function

Research shows that regular walking can combat declines in brain function associated with aging.

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Promising Target for Developing Treatments Against Parkinson's Disease

Researchers at Johns Hopkins have shown that using specific drugs can protect nerve cells in mice from the lethal effects of Parkinson's disease.

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Radiologists Call for National Strategy to Address Medical Imaging Overuse

Overutilization of medical imaging services exposes patients to unnecessary radiation and adds to healthcare costs, according to a report appearing online and in the October issue of the journal Radiology that calls on radiologists to spearhead a collaborative effort to curb imaging overutilization.

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Eating Berries May Activate the Brain's Natural Housekeeper for Healthy Aging

Scientists have reported the first evidence that eating blueberries, strawberries, and acai berries may help the aging brain stay healthy in a crucial but previously unrecognized way.

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Even Modest Weight Gain Can Harm Blood Vessels, Researchers Find

Mayo Clinic researchers found that healthy young people who put on as little as 9 pounds of fat, specifically in the abdomen, are at risk for developing endothelial cell dysfunction. Endothelial cells line the blood vessels and control the ability of the vessels to expand and contract.

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Gender Bender: Do Gender Knee Implants Provide Better Outcomes?

A gender-specific total knee prosthesis was developed to more closely match the anatomy of the female knee, aiming to be a better fit resulting in better outcomes for women. However, a recent study in the Journal of Bone and Joint Surgery (JBJS) found that 85 women who received a gender-specific implant in one knee and a standard prosthesis in the other knee found no clinical benefits of the gender-specific knee.

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Lethal Brain Tumor's Strength May Be a Weakness as Well

Malignant gliomas are the most common subtype of primary brain tumor -- and one of the deadliest. Even as doctors make steady progress treating other types of solid tumor cancers, from breast to prostate, the most aggressive form of malignant glioma, called a glioblastoma multiforme or GBM, has steadfastly defied advances in neurosurgery, radiation therapy and various conventional or novel drugs.

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When does early memory loss signal dementia?

Doctors can't tell if Leif Utoft Bollesen's mild memory loss will remain an annoyance or worsen, but experimental checks of the Minnesota man's aging brain may offer clues.

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Low-fibre western diets deter 'good bacteria'

WE ARE what we eat. If this applies to gut bacteria too, it could explain higher rates of allergies and other inflammatory diseases in rich nations.

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Scientists Target Possible Cause of One Form of Bowel Disease

A possible cause of irritable bowel syndrome has been traced to a small piece of RNA that blocks a substance protecting the colon membrane, leading to hostile conditions that can produce diarrhea, bloating and chronic abdominal pain.

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