This article looks at the growing problem of obesity in Japan, with estimates suggesting that over 30% of adults are now considered obese or overweight. To address this, the Japanese government has implemented various strategies and programs such as education campaigns, weight loss programs, tax breaks and initiatives to promote diet and exercise. It also explores the role of traditional dietary guidelines such as 'washoku' which emphasize fresh ingredients cooked simply without too much added fat or sugar. Finally, it looks at some of the challenges facing the Japanese government in addressing obesity such as a lack of time, motivation and cost.