When applied to HIV care, the community-based model of directly observed therapy (DOT) has no effect on virologic outcomes, but significantly improves patient survival. This is according to researchers at the Johns Hopkins Bloomberg School of Public Health, in collaboration with colleagues at University of Cape Town, South Africa, who conducted the first randomized controlled trial of patient-nominated treatment-supporters providing partial DOT in resource-limited settings. The researchers found that mortality rates were lower among DOT patients than among self-monitored antiretroviral therapy (ART). The results are featured in the June 1, 2010, issue of AIDS.

Computed tomography (CT) colonography can be used as a primary screening tool for colorectal cancer in adults over the age of 65, according to a new study published online in the journal Radiology.

(HealthDay) -- Aspirin works as well as Plavix in patients with blocked leg arteries, a new European study finds.

(AP) -- Millions of people have endured a colonoscopy, believing the dreaded exam may help keep them from dying of colon cancer. For the first time, a major study offers clear evidence that it does.

The Accreditation Council for Graduate Medical Education (ACGME) today announced major changes in how the nation's medical residency programs will be accredited in the years ahead, putting in place an outcomes-based evaluation system where the doctors of tomorrow will be measured for their competency in performing the essential tasks necessary ...

(AP) -- The Obama administration declared Alzheimer's "one of the most feared health conditions" on Wednesday as it issued a draft of a new national strategy to fight the ominous rise in this mind-destroying disease.

The more afraid a person is of a spider, the bigger that individual perceives the spider to be, new research suggests.

(AP) -- A panel of advisers to the Food and Drug Administration overwhelmingly backed approval for a highly anticipated anti-obesity pill from Vivus Inc., a drug which the FDA previously rejected due to safety concerns.