health - "study published"

The standard method for assessing risk of HIV transmission through heterosexual intercourse could be flawed, according to a study published in the Lancet Infectious Diseases and presented at the XVII International AIDS Conference on Tuesday, AFP/iAfrica.com reports.

Although maternal suicide after giving birth is a relatively rare occurrence, suicide attempts often have long-lasting effects on the family and the infant. In a study published in the August 2008 issue of the American Journal of Obstetrics & Gynecology, researchers compared two populations of mothers and found that a history of psychiatric disorders or substance abuse was a strong predictor of post-partum suicide attempts.

Medication often recommended to treat HIV in children may increase their risk of developing asthma, according to new research published in July issue of the Journal of Allergy and Clinical Immunology (JACI). A study of nearly 2,500 HIV-positive children found that those treated with immune-boosting highly active antiretroviral therapy (HAART) were three times as likely to develop asthma as children who did not receive HAART treatment.

People who have gastrointestinal (GI) bleeding after a stroke are more likely to die or become severely disabled than stroke sufferers with no GI bleeding, according to a study published in the August 6, 2008, online issue of Neurology®, the medical journal of the American Academy of Neurology.

The bacteria Porphyromonas gingivalis are the cause of several periodontal diseases including periodontitis or gum inflammation. They can survive in our mouth by establishing their place in our gums and preventing infected cells from undergoing programmed cell death (apoptosis). According to a research study published in 2001 by Simin F. Nakhjiri et al., this happens because P. gingivalis alters the signals in the pathway that the cell follows for apoptosis (or, put simply, it blocks the cell's instruction to kill itself).read more

Long established medical interventions to help couples with infertility problems do not seem to improve fertility, according to a study published on bmj.com today.These findings challenge current practice in the UK and national guidelines should be reviewed in the light of this evidence, say the authors.read more

Cone-rod dystrophies (CRDs) are a group of eye diseases caused by progressive loss of the photoreceptor cells in the retina. In a study published online in Genome Research , researchers have identified a novel mutation in a gene associated with CRD in dogs, raising hopes that potential therapies can be developed for people suffering from these eye disorders.

The HIV drug tenofovir may prevent AIDS transmission when applied rectally as a gel, according to results from a macaque study published in PLoS medicine .