Based on the context and the answer, generate a question. 

Context: Smoking in restaurants , bars , and casinos is something which has long been a fixture in the food and entertainment industry . Often non - smokers avoided places which allowed smoking for both work and recreation . However in 1998 California became one of the first to pass a bill which outlawed smoking in casinos , bars , clubs and restaurants . In the last ten years , other states such as Arizona , Florida , New York and recently Oregon have followed California 's example .

Answer:

Health conscious potential customers did not want to go in places that could be potentially harmful to their health and lungs and spend money



Why is smoking not allowed in 5 US states in eateries , drinking establishments , clubs and gambling halls starting with the western most mainland state ?