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Antisocial behavior in children associated with gene variant and environmental risk factors

For children with attention deficit hyperactivity disorder (ADHD), possessing a variant of a gene involved in brain signaling may predict antisocial behavior and increase susceptibility to the effects of lower birth weight, according to a study in the November issue of Archives of General Psychiatry.

7 Nov 2005

Anxiety disorders increase risk of suicidal thoughts

A pre-existing anxiety disorder significantly increases the risk of a subsequent onset of suicidal thoughts and suicide attempts, according to a study in the November issue of Archives of General Psychiatry.

7 Nov 2005

Smoking a hookah can damage teeth

Smoking a hookah also known as a water pipe is becoming an increasingly trendy menu item in Mediterranean restaurants, cafes and bars. People should be warned to "skip this course" according to a study that appeared in the November issue of the Journal of Periodontology.

7 Nov 2005

Chlamydia pneumoniae may cause vision problems

Researchers at the Massachusetts Eye and Ear Infirmary (MEEI) have found that Chlamydia pneumoniae, a bacterium linked to heart disease and capable of causing chronic inflammation, was present in the diseased eye tissue of five out of nine people with neovascular, or "wet," age-related macular degeneration (AMD).

7 Nov 2005

Change in neurons' responsiveness marks newly formed sensory associations during learning

During our waking hours, our brains are inundated with sensory information that shifts from one moment to the next.

7 Nov 2005

Cell fusion triggered by viruses is a possible contributing factor in the development of human cancer

In some cases, the fusion of human cells is a normal process that leads, for instance, to the formation of muscle and bone. Viral infections can also cause cell fusion, but cells fused by viruses are widely considered to be harmless because they are generally believed to die without consequences for the host.

7 Nov 2005

Should Alzheimer's sufferers take part in research?

Grandma has Alzheimer's disease - should you sign her up for a new research study, even if she doesn't really understand what it entails?

7 Nov 2005

Specific bacterial markers for bacterial vaginosis discovered

Findings reported in this week's New England Journal of Medicine (November 3 issue) highlight promising findings from two Seattle-based researchers on the origins of bacterial vaginosis (BV).

7 Nov 2005

Methylphenidate shows promise for hyperactivity associated with autism

Medication commonly used to treat attention-deficit hyperactivity disorder (ADHD) may be effective for treatment of hyperactivity symptoms in children with autism and related pervasive developmental disorders, according to a study in the November issue of Archives of General Psychiatry.

7 Nov 2005

MIT speeds up robotic muscles

Robots, both large and micro, can potentially go wherever it's too hot, cold, dangerous, small or remote for people to perform any number of important tasks, from repairing leaking water mains to stitching blood vessels together.

7 Nov 2005

Children bottle-fed past 12 months of age may be at high risk for iron deficiency

Children bottle-fed past 12 months of age and Mexican-American children may be at high risk for iron deficiency and the problems that accompany it, according to a national study by Medical College of Wisconsin and Children's Hospital of Wisconsin researchers.

7 Nov 2005

New Flu Chip can determine the genetic make-up of types of flu virus in 11 hours

A novel "Flu Chip" developed at the University of Colorado at Boulder that can determine the genetic signatures of specific influenza strains from patient samples within hours may help world health officials combat coming epidemics and pandemics.

7 Nov 2005

Approximately 9% of children with an allergy to tree nuts will outgrow their allergy

...including children who have previously experienced a severe allergic reaction, according to a study in the November 2005 Journal of Allergy & Clinical Immunology (JACI).

7 Nov 2005

Cholesterol lowering drugs do not appear to decrease the risk of melanoma

No clear evidence exists that some widely-prescribed cholesterol-lowering drugs can decrease the risk of melanoma, a deadly and malignant skin cancer, according to a new review of recent studies.

7 Nov 2005

MRI helps early diagnosis of schizophrenia

Researchers may have discovered a new way that may ultimately assist in the early diagnosis of schizophrenia - by utilizing MRI to study the patient's brain.

7 Nov 2005

Psychologically distressed children more likely to be involved in bullying

Bullying by elementary school children was associated with increased odds of lacking a feeling of safety while at school, having lower academic achievement, and feeling sad most days, according to an article in the November issue of Archives of Pediatrics & Adolescent Medicine.

7 Nov 2005