Microsoft makes a bold statement for the future of PCs with Windows 8, but that learning curve won't be an easy climb for many.

A 47-year-old man with discomfort in the upper chest, difficulty swallowing food and drinks, and weight loss of 10 kg over 2 months underwent computed tomography (CT), which excluded malignancy but ...

BACKGROUND: Atrial fibrillation and other cardiac arrhythmias pose a major public health burden, but prevention remains ...