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Bone marrow can harbor HIV-infected cells

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.

New light shed on how retina's hardware is used in color vision

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.

Like little golden assassins, 'smart' nanoparticles identify, target and kill cancer cells

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

Women who drink moderately appear to gain less weight than nondrinkers

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.

Dietary supplements discouraged for prostate cancer patients

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.

Listening in on single cells: Novel sensor array detects single molecules produced by living cells

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.

Abused children more likely to suffer unexplained abdominal pain, nausea or vomiting

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.

New method to grow arteries could lead to 'biological bypass' for heart disease

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

Obesity as protection against metabolic syndrome, not its cause

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.

Campylobacter bacteria in cattle manure may survive composting

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.

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