Why does eating salty popcorn or baked ham make you thirsty, sometimes a few hours after you've eaten it?
Everyone knows salt makes you thirsty. However, did you know snacking on sugary foods makes you thirsty, too? Learn more on this Moment of Science.
Chronic depression involves brain chemistry. Neurons in the brain communicate with each other via neurotransmitters, chemical messengers sent from one nerve cell to another. To move between cells a neurotransmitter must cross the synapse–the junction between neurons.