Ancient medical systems stressed the importance of reducing illness through divination and ritual. Other codes of behavior and dietary protocols were widespread in the ancient world. During the Zhou Dynasty in China, doctors suggested exercise, meditation and temperance to preserve one's health. The Chinese closely link health with spiritual well-being. Health regimes in ancient India focused on oral health as the best method for a healthy life. The Talmudic code created rules for health which stressed ritual cleanliness, connected disease with certain animals and created diets. Other examples include the Mosaic Code and Roman baths and aqueducts.