Show off your love for science with this "More Serotonin" t-shirt. This casual black tee features a fun and vibrant graphic. A cartoon brain smiling above the chemical structure of serotonin. The perfect casual wear for anyone with a sense of humor and interest in biology, chemistry, or neuroscience. Made from a comfortable-looking fabric, this shirt is perfect for everyday wear. A great gift for scientists, students, or anyone who loves a good laugh.