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Antiviral drugs have reduced AIDS to more of chronic disease rather than a death sentence, but why is the disease so hard to cure? New research shows that bone marrow, previously thought to be resistant to the virus, can contain latent forms of the infection. Targeting these reservoirs of latent cells may open the door to new treatments.

Biologists have identified, in greater detail, how the retina's cellular hardware is used in color preference. The findings enhance our understanding of how eyes and the brain process color.

Another weapon in the arsenal against cancer: nanoparticles that identify, target and kill specific cancer cells while leaving healthy cells alone.

Normal-weight women who drink a light to moderate amount of alcohol appear to gain less weight and have a lower risk of becoming overweight and obese than nondrinkers, according to a new article.

Prostate-specific dietary supplements should not be taken during radiation therapy treatments because they have been shown to increase the radiosensitivity of normal prostate cell lines, leading to normal tissue complications, according to a new study.

Chemical engineers have built a sensor array that, for the first time, can detect single molecules of hydrogen peroxide emanating from a single living cell.

Children who have been abused psychologically, physically or sexually are more likely to suffer unexplained abdominal pain and nausea or vomiting than children who have not been abused, a new study concludes.

A new method of growing arteries could lead to a "biological bypass" -- or a noninvasive way to treat coronary artery disease.

The collection of symptoms that is the metabolic syndrome -- insulin resistance, high cholesterol, fatty liver, and a greater risk for diabetes, heart disease, and stroke -- are all related to obesity, but, according to a new review not in the way you probably think they are.

Contrary to popular belief, some disease causing bacteria may actually survive the composting process. Researchers report that campylobacter bacteria in cattle manure can survive composting and persist for long periods in the final product.