Cardiology

What's at the 'heart' of a heartbeat?

In the confines of the thoracic chamber, a heart has lost its rhythm. Its two upper chambers, the atria, are beating out of sync with the two lower chambers, the ventricles. The resulting chaos is called atrial fibrillation ...

Neuroscience

Calcium is key to age-related memory loss

Research at the University of Leicester is offering new clues into how and why cognitive functions such as memory and learning become impaired with age. A paper published recently in a specialist neuroscience journal shows ...

Cardiology

Atrial fibrillation: New marker for atrial damage discovered

Atrial fibrillation is a common abnormal heart rhythm. It is treated either with medications or by applying heat or extreme cold to destroy small specific tissue areas in the atrium. This inevitably causes small wounds. A ...

Oncology & Cancer

Overstuffed cancer cells may have an Achilles' heel

In a study using yeast cells and data from cancer cell lines, Johns Hopkins University scientists report they have found a potential weak spot among cancer cells that have extra sets of chromosomes, the structures that carry ...

Cardiology

Red and white meats are equally bad for cholesterol

Contrary to popular belief, consuming red meat and white meat such as poultry, have equal effects on blood cholesterol levels, according to a study published today in the American Journal of Clinical Nutrition.

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