Related by context. Frequent words. (Click for all words.) 82 dopamine 76 neurotransmitter 75 serotonin 74 neurotransmitters 71 glutamate 69 acetylcholine 69 Dopamine 68 norepinephrine 68 stress hormones 67 neurochemical 65 hypothalamus 65 Cortisol 65 striatum 65 BDNF 64 vasopressin 64 nucleus accumbens 63 stress hormone cortisol 63 cortisol 63 GABA 62 inhibitory 62 endorphins 62 ghrelin 62 signaling molecule 61 neurons 61 Serotonin 60 leptin 60 Leptin 60 NPY 59 nitric oxide 59 histamine 59 hormone insulin 59 basal ganglia 59 neurogenesis 59 adenosine 59 prolactin 59 endorphin 59 thyroid hormones 59 nerve cells 59 neurones 59 Oxytocin 59 cytokines 58 amygdala 58 receptors 58 oxytocin 58 beta catenin 58 hormone 58 AMPK 58 hippocampus 58 signaling molecules 58 thyroid hormone 58 skeletal muscles 58 hormone estrogen 58 autonomic nervous system 57 synaptic 57 neuron 57 cytokine 57 insulin secretion 57 secretion 57 SIRT1 57 neural pathways 57 estrogen receptors 56 thalamus 56 ion channels 56 alpha synuclein 56 neural circuits 56 vagus nerve 56 neuronal 56 reactive oxygen species 56 prostaglandins 56 receptor 56 melatonin 55 signaling pathway 55 enzyme 55 prefrontal cortex 55 cannabinoid 55 TGF beta 55 adiponectin 54 protein 54 PI3K 54 androgen receptor 54 protein synthesis 54 hormones 54 plasticity 54 synapse 54 mitochondria 54 androgens 54 synapses 54 dopamine producing 54 brain circuitry 54 molecular mechanism 54 glial cells 54 amyloid beta 54 insula 53 frontal cortex 53 factor VEGF 53 neural 53 cortex 53 estrogen 53 molecular pathways 53 amyloid plaques 53 chemokines