Half of world's ICU patients have infections: study

CT scans may predict survival in colorectal cancer

Reuters - Doctors may be able use an advanced X-ray called a CT scan to see whether patients with advanced colorectal cancer are responding to treatment with Avastin and chemotherapy, U.S. researchers said on Tuesday.

Needle injuries often not reported by med students

Reuters - Medical students are commonly stuck by needles but often fail to report their injuries to employee health services, placing them at risk for hepatitis, HIV and other blood borne diseases, results of a survey show.

Constipation: an early sign of Parkinson's?

Reuters - People with a history of constipation may be at increased risk of developing Parkinson's disease down the road, research hints.

Medicaid coverage no barrier to mammography access

Reuters - Women on Medicaid have a harder time scheduling a timely appointment for a diagnostic mammogram than women with Medicare coverage, new research shows.

Folic acid won't ward off colon polyp comeback

Reuters - Taking folic acid supplements doesn't appear to prevent colon polyps from coming back, new research shows, although it may be helpful for people who have low levels of the B vitamin in their blood.

Smoking skunk raises risk of psychosis, study finds

Reuters - People who smoke "skunk" -- a potent form of cannabis -- are almost seven times more likely to develop psychotic illnesses such as schizophrenia than those who smoke "hash" or cannabis resin, according to research.

Mammogram radiation may put some women at risk

South Africa to expand AIDS treatment: Zuma

Reuters - South Africa, which has the world's highest HIV caseload, will roll out life-prolonging anti-retroviral drugs to significantly more people infected with the virus from next year, President Jacob Zuma said on Tuesday.