Mr. Brook is an engineer, works with very well known company in Bangkok. Mr. Brook works 8 hour/day, almost 7 days a week. He doesn’t have time to cook, his food is usually fried chicken and salad from any fast food restaurant nearby his office. He drinks 3 in 1 coffee 2-3 cups/day. He also sleeps less than 5 hours almost every night. His bowel habit is not so well (no passing stool everyday). He often use laxative.