9. Has evidence of current cardiovascular, central nervous system, hepatic, or hematopoietic disease; renal, metabolic or endocrine dysfunction; serious allergy, asthma, hypoxemia, hypertension, or allergic skin rash; or there is any finding in the participant's medical history, physical examination, or safety laboratory tests giving reasonable suspicion of a disease that would contraindicate taking TAK-831 or a similar drug in the same class, which might interfere with the conduct of the study. This includes, but is not limited to, peptic ulcer disease and cardiac arrhythmias.