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Indonesia
Islam, this country's leading religion, encourages periodic fastingâ€"no food or drink from dawn to dusk. Others in Indonesia practice mutih, which allows only water and white rice. Although experts don't recommend fasting for weight control, fasting in moderation can break patterns of mindless eating, says Hill, of the American Society for Nutrition. "Most Americans never get hungry," he points out. "We've eaten the next meal before we've entirely digested the last one." No need for strict abstinence to get these psychological benefitsâ€"try just cutting your calories in half for a day.
source: reader's digest