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Article ID: 612862

Visual System Can Retain Considerable Plasticity, Even After Extended Early Blindness

Massachusetts Eye and Ear

Deprivation of vision during critical periods of childhood development has long been thought to result in irreversible vision loss. Now, researchers from the Schepens Eye Research Institute/Massachusetts Eye and Ear, Harvard Medical School (HMS) and Massachusetts Institute of Technology (MIT) have challenged that theory by studying a unique population of pediatric patients who were blind during these critical periods before removal of bilateral cataracts. The researchers found improvement after sight onset in contrast sensitivity tests, which measure basic visual function and have well-understood neural underpinnings. Their results show that the human visual system can retain plasticity beyond critical periods, even after early and extended blindness.

Released:
27-Jan-2014 11:00 AM EST
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Article ID: 612845

Health Care Costs Grow with Body Mass

Duke Health

Researchers at Duke Medicine report that health care costs increase in parallel with body mass measurements, even beginning at a recommended healthy weight. Pharmacy and medical costs may even double for obese people compared with those at a healthy weight, according to a recent study published in the journal Obesity.

Released:
27-Jan-2014 9:30 AM EST

Article ID: 612833

Fragmented Sleep Accelerates Cancer Growth

University of Chicago Medical Center

Poor-quality sleep with frequent awakenings can speed cancer growth, increase tumor aggressiveness and dampen the immune system’s ability to control cancer. This study demonstrates the effects of sleep loss on tumor growth and invasiveness and points to a mechanism for therapy.

Released:
27-Jan-2014 8:00 AM EST
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Article ID: 612817

Researchers Developing New Approach for Imaging Dense Breasts for Abnormalities

Norris Cotton Cancer Center Dartmouth-Hitchcock Medical Center

Dartmouth engineers and radiologists develop new approach for diagnostic imaging of dense breasts with suspicious lesions. MRI/NIRS technique offers greater flexibility, speed, and accuracy. Technology shows promise for improving MRI’s ability to distinguish cancer from benign abnormalities.

Released:
24-Jan-2014 12:00 PM EST
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Article ID: 612812

Aspirin Intake May Stop Growth of Tumors That Cause Hearing Loss

Massachusetts Eye and Ear

Researchers from Massachusetts Eye and Ear, Harvard Medical School, Massachusetts Institute of Technology and Massachusetts General Hospital have demonstrated, for the first time, that aspirin intake correlates with halted growth of vestibular schwannomas (also known as acoustic neuromas), a sometimes lethal intracranial tumor that typically causes hearing loss and tinnitus.

Released:
24-Jan-2014 10:00 AM EST

Article ID: 612800

Researchers Identify Two HIV-1 Envelope Immunogens Capable of Eliciting Antibodies Associated with Vaccine Protection

Center for Infectious Disease Research, formerly Seattle Biomedical Research Institute (Seattle BioMed)

Seattle BioMed researchers identified two HIV-1 Envelope immunogens that elicit broadly neutralizing antibodies when introduced as a vaccine. The study was published online in PLOS One.

Released:
24-Jan-2014 8:00 AM EST
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Article ID: 612797

New Computer Model May Aid Personalized Cancer Care

Dana-Farber Cancer Institute

Dana-Farber Cancer Institute scientists have developed a mathematical model to predict how a patient’s tumor is likely to behave and which of several possible treatments is most likely to be effective.

Released:
23-Jan-2014 5:00 PM EST
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Article ID: 612770

Researchers Discover Potential Drug Targets for Early Onset Glaucoma

Georgia Institute of Technology

Using a novel high-throughput screening process, scientists have for the first time identified molecules with the potential to block the accumulation of a toxic eye protein that can lead to early onset of glaucoma.

Released:
23-Jan-2014 1:00 PM EST
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Article ID: 612776

Moderate Doses of Radiation Therapy to Unaffected Breast May Prevent Second Breast Cancers

Columbia University Irving Medical Center

Survivors of breast cancer have a one in six chance of developing breast cancer in the other breast. But a study conducted in mice suggests that survivors can dramatically reduce that risk through treatment with moderate doses of radiation to the unaffected breast at the same time that they receive radiation therapy to their affected breast. The treatment, if it works as well in humans as in mice, could prevent tens of thousands of second breast cancers.

Released:
23-Jan-2014 1:00 PM EST

Article ID: 612777

Johns Hopkins Scientists Identify A Key To Body's Use Of Free Calcium

Johns Hopkins Medicine

Scientists at Johns Hopkins report they have figured out a key step in how “free” calcium — the kind not contained in bones — is managed in the body, a finding that could aid in the development of new treatments for a variety of neurological disorders that include Parkinson’s disease.

Released:
23-Jan-2014 1:00 PM EST

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