How lead exposure damages the brain: New research fills in the picture

Exposure to lead during early childhood and even later in life has long been known to affect the release of critical neurotransmitters. However, the precise mechanism by which lead ions (Pb2+) impair this process has remained unknown. The study demonstrates that during the formation of synapses -- synaptogenesis -- exposure to lead alters the levels of several key proteins involved in neurotransmitter release.

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