Neuroscience

How the brain protects itself from Alzheimer's disease

High levels of calcium are toxic to cells and contribute to loss of neurons in Alzheimer's disease. A new study published in JCI Insight identifies a mechanism through which the young brain protects itself against high calcium ...

Oncology & Cancer

Backup DNA repair system could be cancer's weak spot

The DNA inside our cells is constantly being damaged, and one of the worst kinds of damage is a double-strand break—when both sides of the DNA helix are cut at once. Healthy cells can normally fix these breaks using highly ...

Neuroscience

Why undisturbed sleep is important to brain injury recovery

A new study highlights how important uninterrupted sleep is to recovery after a traumatic brain injury, finding that fragmented sleep in injured mice is linked to a loss of rapid-eye-movement (REM) sleep and increased fatigue.

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