August 24, 2020 by Wendi 0 Nervous SystemNeurotransmitters How various neurotransmitters have a stimulating or inhibitory effect, how… Read more acetylcholine Alcohol amphetamines benzodiazepines caffeine cannabinoid receptors dopamine endorphins epinephrine GABA glutamate hallucinogens neurotransmitters nicotine serotonin October 2, 2019 by Wendi 0 Brain, FoodHow does caffeine affect your brain? Nothing quite like that morning cup of coffee to get… Read more brain function caffeine energy mood 2/2