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An analysis of previous studies indicates that among men and high-risk women with a certain type of heart attack or angina an invasive treatment strategy (such as cardiac catheterization) is associated with reduced risk of rehospitalization, heart attack or death, whereas low-risk women may have an increased risk of heart attack or death with this treatment.

An examination of newborn intensive care finds that newborns undergo numerous procedures that are associated with pain and stress, and that many of these procedures are performed without medication or therapy to relieve pain.

Each day, a staggering number of cells perform a feat that still amazes researchers with its complexity: they divide to produce perfect replicas of each other. The process is called mitosis, and an inability to control it is one of the hallmarks of cancer. Researchers have discovered a novel biochemical activity involved in controlling cell division, which they've called the mitotic checkpoint factor 2.

Low maternal vitamin D levels during pregnancy may affect primary tooth calcification, leading to enamel defects, which are a risk factor for early-childhood tooth decay.

Diabetes mellitus is a metabolic disorder characterized by altered glucose tolerance and impaired lipid and carbohydrate metabolism, and is associated with a number of complications directly resulting from hyperglycemiainduced inflammation.

Dental caries, or tooth decay, continues to be the most prevalent infectious disease in the world, presenting significant public health challenges and socio-economic consequences.

Young children from low-income families experience high levels of tooth decay and face many barriers to getting dental treatment and preventive services. Because these children usually visit their pediatrician or other primary care provider far more frequently than a dentist, the primary care medical setting is gaining popularity as a place to provide preventive dental services.

Researchers have recently found that a community's religious environment -- that is, the type of religious congregations within a locale -- affects mortality rates, often in a positive manner.

Women may respond less favorably than men to cardiovascular disease drug-treatments for enlarged heart. For the first time, researchers have uncovered that women derive a lesser benefit than men from two common high-blood-pressure-lowering drugs — losartan and atenolol — for the reduction of left-ventricular hypertrophy (LVH). The condition is a thickening and enlargement of muscle of the left ventricle of the heart and a marker for future heart disease.

Researchers are developing a new technology that prevents the infection of HIV by breastfeeding.