Diet & Nutrition Glossary: N

neuropeptide Y; NPY : A neurotransmitter that is thought to relay “Eat” signals or “You can stop now” messages to various parts of the brain

neurotransmitters : Chemicals that transmit information to the neurons or brain cells) are released

niacin: This pair of naturally occurring nutrients — nicotinic acid and nicotinamide — is essential for proper growth and for enzyme reactions that enable oxygen to flow into body tissues.

norepinephrine: An important neurotransmitter that conveys information from nerve to nerve and is apparently important for memory, alertness, and learning.

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