As the brain's most abundant excitatory neurotransmitter, glutamate facilitates our ability to learn, form memories, and regulate our mood. Yet this powerful neurotransmitter can become both ...

Glutamate, an essential neurotransmitter responsible for regulating functions such as mood and memory, can also encourage the toxic buildup of tau proteins, which are known to contribute to ...

vorDa/Getty Images Taking probiotics may reduce negative mood, according to a new clinical trial. The study adds more evidence to the gut-brain connection’s role in regulating emotion.