A study shows that gene-expression data can help predict survival rates for patients with lung cancer.
Pregnant women who take high levels of daily calcium supplements show a marked reduction in lead levels in their blood, suggesting calcium could play a critical role in reducing fetal and infant exposure.
For approximately 150 coastal villages that sit in northern Ecuador at the base of the Choco rainforest, a new road system has meant an influx of new people, easier access to big cities and neighboring villages.
In recent years, drug costs in the United States and most other industrialized countries have soared, and that has policymakers worried, because even a small increase in price can lead patients to reduce their adherence to prescribed medications.
Survival rates for all cancers have risen steadily in the past three years, and that's good news for the nearly 1.5 million Americans who were diagnosed with cancer last year.