
We pay attention to our senses, which tell us about our bodies and the people and things around us. We notice our thoughts, movements, and feelings. In response to ailments or other concerns, we narrow our attention to particular body regions, organs, or organ systems—back, skin, or digestive tract, for example. But we rarely contemplate the smallest components of our bodies: the cells and molecules. Yet if you wish to chill out, you may want to take into account your brain cells and gamma-aminobutyric acid (GABA)—a chemical messenger that quiets brain cells down—lest your preferred means of chilling leads to consternation rather than relaxation. Continue reading