Cardiology

An atomic view of the trigger for the heartbeat

Atomic-level studies of the architecture of tiny sodium channel proteins, critical to generating electrical signals that start off each beat of the heart, are imparting striking details about their function, malfunctions, ...

Neuroscience

Neurons absorb and release water when firing, study suggests

Neurons absorb and release water when they relay messages throughout the brain, according to a study by researchers at the National Institutes of Health and other institutions. Tracking this water movement with imaging technology ...

Health

Blood sodium levels may affect cognition in older adults

A new study has found that lower level of sodium in the blood—known as hyponatremia—is linked with declines in cognitive function with advancing age. The results, which are described in an upcoming issue of the Clinical ...

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