Health standards in Tokyo are comparable to those found in other highly industrialized countries. Restaurants are most often impeccably clean, and the food is safe to eat and the water safe to drink everywhere.
Noise and smog are persistent problems in the city. Electronic billboards report sound levels and air pollution indices. Air quality has improved in recent years and continues to improve.
Medical insurance in Japan is of two types. Private insurance is usually held through one's employer or labor union. Public health insurance is available to everyone through the government's National Health Insurance. Policy holders of the latter pay 30 percent of costs, and while most doctors and medical and dental establishments subscribe to the program, not all do. Certain expensive materials (like gold fillings) are not covered, though the plan does provide for expensive procedures.
Health care is provided on a level comparable to that in any other highly industrialized nation. There are many hospitals in Tokyo, several of which are associated with the universities there, while others are private or run by religious groups. Some of the more prominent are Kosei General, University of Tokyo, Showa University, Tokyo Adventist, and St. Luke's International Hospitals.