6. Having the following medical condition(s): diabetes, hypotension, hypertension (changed antihypertensive medication or dose in the preceding 3 months and/or likely to do so during the study), cardiovascular disease (arrhythmia, edema with or without congestive heart failure, heart attack, stroke, abnormal EKG), gastrointestinal disease requiring daily prescribed medication (gastroesophageal reflux, gastritis, and peptic or duodenal ulcer), gallbladder disease or gallstones, biliary obstruction (past or present), endocrine disease (hyper- or hypothyroidism), psychiatric disorder (anxiety if untreated, eating disorder) neurologic disease (Parkinson's disease, intracranial hemorrhage, head injury, brain tumor, evidence of delirium, confusion, dementia, Alzheimer's disease, migraine headache (if last migraine headache was < 3 years prior to Baseline/screening), urologic disease, chronic inflammatory or autoimmune disease, cancer (unless skin cancer other than melanoma which has been treated > 3 years prior to Baseline/screening), liver and kidney disease, insomnia, blood coagulation disorder (anemia, thrombus, embolism), sleep apnea, or other condition(s) that would preclude participation in the study in the judgment of the investigator/sub-investigator (Sub-I).