Related by context. Frequent words. (Click for all words.) 66 serotonin 65 dopamine 64 neurotransmitter 62 norepinephrine 62 BDNF 62 glutamate 61 Serotonin 61 acetylcholine 61 neurotransmitters 60 adenosine 59 SIRT1 58 leptin 58 inhibitory 57 nitric oxide 56 melatonin 56 Leptin 56 Dopamine 56 cortisol 56 neurogenesis 55 insulin secretion 55 Akt 55 glutathione 54 ghrelin 54 glucose metabolism 54 hormone 54 prolactin 54 endorphin 54 enzyme 54 endorphins 53 metabolism 53 Melatonin 53 secretion 53 hypothalamus 52 cannabinoid 52 stress hormones 51 thyroid hormone 51 adiponectin 51 metabolite 51 striatum 51 neurons 51 neuronal 51 TNF 51 tryptophan 51 androgen 51 oxytocin 50 thalamus 50 receptor 50 synaptic 50 GDNF 50 signaling pathway 50 histamine 50 PI3K 50 nucleus accumbens 50 autonomic nervous system 50 intracellular 50 neurodegeneration 50 molecular mechanism 50 insulin sensitivity 50 cytokine 50 transcription factors 50 cytokines 50 signaling molecules 49 amyloid beta 49 VEGF 49 metabolic 49 amino acid 49 stress hormone cortisol 49 basal ganglia 49 phosphorylation 49 mTOR 49 protein 49 protein synthesis 49 stimulant 49 synapses 49 mitochondria 49 testosterone 49 cortisol levels 49 hippocampus 48 mitochondrial 48 taurine 48 neuron 48 amygdala 48 EGCG 48 neural 48 metabolites 48 inhibition 48 miR 48 androgens 48 insulin 48 oxidative stress 48 glucagon 47 ion channels 47 estradiol 47 endogenous 47 transcription factor 47 estrogen 47 nerve cells 47 receptors 47 tumor suppressor 47 p# [001] 47 vagus nerve