Chocolate also made the heart beat faster, according to the study supervised by Lewis, a formerly University of Sussex psychologist who now runs a private research company called The Mind Lab.

• 研究还发现，巧克力还会使心脏跳得更快。负责指导这项研究的刘易斯曾是英国苏塞克斯大学的心理学家，目前正在经营一家名为"大脑实验室"的私人研究公司。