CER	Ceramides
CRP	C-reactive protein
DHA	Docosahexaenoic acid
DOPA	Dopamine
FGF2	Fibroblast growth factor-2
GABA	Gamma-aminobuytric acid
GAD	Generalized Anxiety Disorder
GC-MS	Gas chromatography–mass spectrometry
HDL	High-density lipoprotein
HPA	Hypothalamus–pituitary–adrenal
HPLC	High-performance liquid chromatography
HPLC-ED	High-performance liquid chromatography–electrochemical detection
5-HT	Serotonin
IgA	Immunoglobulin A
LC-MS	Liquid chromatography–mass spectrometry
LC-MS/MS	Liquid chromatography–tandem mass spectrometry
LDL	Low-density lipoprotein
LPS	Lipopolysaccharides
NAA	N-acetylaspartylglutamate
NMR	Nuclear magnetic resonance spectroscopy
NOx	Nitric oxide metabolites
PACAP	Pituitary adenylate cyclase-activating polypeptide
PC	Phosphatidylcholines
UPLC-MS	Ultra-performance liquid chromatography–mass spectrometry
VLDL	Very low-density lipoprotein