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Intermittent fasting (IF) is an umbrella term for various diets that cycle between a period of fasting and non-fasting. Intermittent fasting can be used along with calorie restriction for weight loss.〔http://www.fasebj.org/content/20/6/631.full〕 == Variations == In some contexts, fasting allows the consumption of a limited amount of low-calorie beverages such as coffee or tea.〔(【引用サイトリンク】 title=An Introduction to Intermittent Fasting )〕 One form of intermittent fasting, ''alternate day fasting'' (ADF), involves a 24-hour fast followed by a 24-hour non-fasting period. This is sometimes referred to as ''every other day fasting'' or ''every other day feeding''. Alternate-day calorie restriction may prolong life span. ''Modified fasting'' involves limiting caloric intake (e.g., 20% of normal) on fasting days rather than none at all. A study suggests that this regimen may retain most of the benefits of intermittent fasting.〔 The scientific literature for intermittent fasting, in its various forms, was extensively reviewed in 2014. Another form involves eating only one meal per day. More generally, forms may choose to specify various ratios of fasting to non-fasting periods. The BBC2 Horizon documentary ''Eat, Fast and Live Longer'' covered people who committed to fasting two non-consecutive days per week. Known as the 5:2 diet, people consumed 400–500 calories (women) or 500–600 calories (men) during the days of fasting. During feed days, the diet was regular.〔(【引用サイトリンク】title=Eat, Fast and Live Longer with Michael Mosley )〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「intermittent fasting」の詳細全文を読む スポンサード リンク
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