US newspapers consistently report more Coalition deaths than Iraqi civilian deaths partially explaining the discrepancy in actual versus perceived death tolls and calling into question the wartime role of the media.

Inflammatory bowel diseases remain a challenge despite emerging large-scale genetic data and indications of bacterial influence whose application could lead to more long-term treatments.

One in four Mexicans aged 65-69 and nearly half those over 85 are so frail, as measured by a new index created from self-reported deficits, that they have an increased risk of dying in the next two years.

HIV-infected children successfully adhere to the prophylactic medication for tuberculosis isoniazid regardless of whether this is administered daily or three times a week, although an intermittent regimen may prove more cost-effective.

The oxytocin signalling pathway and in particular, the genomic deletion or aberrant methylation of the oxytocin receptor gene may play a role in the development of autism.