Harvard Medicine News
Sensory Refinement

A new discovery reveals a molecular mechanism that allows sensory experiences to shape a growing brain.

Neurons under magnification
Demystifying the Microbiome

Which came first: changes in gut bacteria or changes in metabolism? Research has begun cracking the chicken-and-egg problem.

microscope view of normal gut bacterium in mouse
Reviving Dormant Nerves

After a spinal cord injury, the brain’s commands telling limbs to move aren’t relayed. A small-molecule compound may hold promise for treating paralysis. 

Spectroscopy image of spinal cord
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