Gift-giving brain cells are lifeline to injured nerve cells
Astrocytes share energy-making mitochondria with neural neighbors
![astrocytes](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2016/07/072816_astrocyte_free.jpg?fit=860%2C460&ssl=1)
GIFT GIVER Star-shaped astrocytes (green) may donate mitochondria to nerve cells in distress, helping the brain escape damage from stroke and possibly other maladies, a new study suggests.
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