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Hormone level during pregnancy may identify women at risk for postpartum depression

Women who have higher levels of a hormone produced by the placenta midway through their pregnancy appear more likely to develop postpartum depression, according to a report in the February issue of Archives of General Psychiatry.

2 Feb 2009

Heavy dope smoking can damage developing brain in teens, young adults

Adolescents and young adults who are heavy users of marijuana are more likely than non-users to have disrupted brain development, according to a new study.

2 Feb 2009

Added salt in our diets is unnecessary and contributes to health problems

Added salt in our diets is unnecessary and contributes to health problems such as hypertension and strokes, write Dr. Ken Flegel and Dr. Peter Magner and the CMAJ editorial team http://www.cmaj.ca/press/pg263.pdf.

2 Feb 2009

Gene expression signature associated with survival in advanced ovarian cancer

A new study published this week in the open-access journal PLoS Medicine identifies molecular pathways associated with outcomes in ovarian cancer.

2 Feb 2009

Genetic change prevents cell death in mouse model of Parkinson's disease

By shifting a normal protective mechanism into overdrive, a University of Wisconsin-Madison scientist has completely shielded mice from a toxic chemical that would otherwise cause Parkinson's disease.

2 Feb 2009

Fibroblasts invade at a snail's pace

A transcription factor known to drive the formation of fibroblasts during development also promotes their ability to invade and remodel surrounding tissues, report Rowe et al. in the February 9, 2009 issue of the Journal of Cell Biology.

2 Feb 2009

FDA approves KAPIDEX (dexlansoprazole) capsules for the treatment of GERD

Patients with leg pain caused by arterial disease may be able to forego treatment of the affected artery by participating in hospital-supervised exercise, according to a new study published in the February issue of Radiology.

2 Feb 2009

After knee replacement exercise is crucial

It may be uncomfortable at first, but doing exercises to strengthen your quadriceps after you've had knee replacement surgery due to osteoarthritis is critical to your recovery.

2 Feb 2009

Even with medication, asthma patients show chronic airflow changes in lungs

Using a special MRI technique, researchers have determined that the location and degree of airway narrowing in the lungs of asthma sufferers can be markedly persistent over time.

2 Feb 2009

Education may not affect how fast you will lose your memory

While a higher level of education may help lower the risk of Alzheimer's disease, new research shows that once educated people start to become forgetful, a higher level of education does not appear to protect against how fast they will lose their memory.

2 Feb 2009

Study looks at effects of 9/11 attacks on drink driving

The September 11 terrorist attacks had a profound impact on this country's psyche.

2 Feb 2009

Discovery fleshes out metabolism of key environmental and energy bacteria

An international collaboration of researchers has discovered a new enzyme in a species of bacteria with potential environmental cleanup and energy roles.

2 Feb 2009

Differences in recovered memories of childhood sexual abuse

When a child experiences a traumatic event, such as sexual abuse, it may not be until well into adulthood that they remember the incident.

2 Feb 2009

Antiepileptic drug vigabatrin may decrease spasms for infants with epilepsy

The antiepileptic drug vigabatrin (VGB) has been shown to be one of the best treatments against a special form of epilepsy in infants, called infantile spasm.

2 Feb 2009

New genetic clues on molecular evolution of Q fever pathogen

Scientists from the National Institute of Allergy and Infectious Diseases, Texas A&M Health Center, and the Virginia Bioinformatics Institute at Virginia Tech have uncovered genetic clues about why some strains of the pathogen Coxiella burnetii are more virulent than others.

2 Feb 2009

Combined measures of maternal drinking can predict resulting problems in children

While many people are aware that drinking during pregnancy can lead to a range of Fetal Alcohol Spectrum Disorders (FASDs), including the serious Fetal Alcohol Syndrome (FAS), linkages between maternal-drinking measures and child outcomes have been inconsistent.

2 Feb 2009

Cell-building discovery offers great potential for basic cell biology, drug and tissue research

Brown University biomedical engineers can now grow and assemble living microtissues into complex three-dimensional structures in a way that will advance the field of tissue engineering and may eventually reduce the need for certain kinds of animal research.

2 Feb 2009

Quinolone-resistant gonorrhea increases in Ontario

The prevalence of quinolone-resistant gonorrhea has increased rapidly in Ontario - Canada's most populous province - from a rate of 2% in 2001 to 28% in 2006, found a study published in CMAJ.

2 Feb 2009

New way to fight off bacteria

Whenever humans create a new antibiotic, deadly bacteria can counter it by turning into new, indestructible super-bugs.

2 Feb 2009

Vitamin and mineral supplement use high among U.S. children and teens

A large number of U.S. children and teens age 2 to 17 appear to use vitamin and mineral supplements, although most may not need them, according to a report in the February issue of Archives of Pediatrics & Adolescent Medicine, one of the JAMA/Archives journals.

2 Feb 2009