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These healthy fish have bacteria in their brains

Brains are usually thought of as a bacteria-free zone. But that’s not the case for some fish. Wild and lab-grown members of the salmon family harbor active microbial communities in their brains. More than half of the bacteria found in…

Brain imaging study links reduced synaptic density to social challenges in autism

A new study published in Molecular Psychiatry has provided groundbreaking insights into the biological underpinnings of autism, revealing that adults with autism have fewer synapses in their brains than neurotypical individuals. Using a type of brain imaging called positron emission tomography, researchers measured…