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The '''5:2 diet''' is a diest that emphasizes ].<ref name="fisher">{{cite web|url=https://www.bbcgoodfood.com/howto/guide/what-52-diet|author=Roxanne Fisher|title=What is the 5:2 diet?|website=BBC Good Food|date=30 August 2017|accessdate=14 January 2019}}</ref><ref name="nhs">{{cite web | title=Is there an effective new alternative to the '5:2 diet'? | publisher=National Health Service, UK | date=22 June 2018 | url=https://www.nhs.uk/news/food-and-diet/is-there-an-effective-new-alternative-52-diet/ | access-date=14 January 2019}}</ref> The 5:2 approach is similar to but less restrictive than ''alternate day fasting'' as adherents restrict calories for just two days per week. The diet was popularized in the summer of 2012 when the ] broadcast a ] ] featuring ], ], and author ] explaining his experiments with fasting.<ref name="mosley">{{cite web|url=https://www.bbc.com/news/health-19112549|title=The power of intermittent fasting|date=5 August 2012|author=Michael Mosley|publisher=BBC Health|accessdate=14 January 2019}}</ref><ref name="BBC">{{cite web | title=Horizon - Eat, Fast and Live Longer | publisher=BBC iPlayer | date=6 August 2012|url=https://www.bbc.co.uk/iplayer/episode/b01lxyzc/horizon-20122013-3-eat-fast-and-live-longer | accessdate=14 January 2019}}</ref> A variation of the 5:2 diet is the 16:8 diet, in which the person fasts for 16 hours a day and eats meals each day in the 8 hours between 10am and 6pm.<ref name=nhs/> |
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==Technique== |
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The diet involves restricting ] to 25% of an individual's caloric needs for two days per week, and eating ''normally'' for the other five days.<ref name=mosley/> The diet does not actually advocate for full ], but rather severe ] during the two "fasting" days: the average limit for women is 500 calories, with 600 for men, although this varies based on ].<ref name=fisher/> Although the diet does not restrict any types of foods during the fast days, it is suggested that adherents focus on ] (especially ]), lean ]s, ], ]s, black ] and ], and water.<ref name=fisher/> There is no restriction placed on how often adherents may eat during the "fast days," as long as the caloric intake is kept at 25%.<ref name=fisher/> There is also no rule for which of the two days during the week are fasting days.<ref name=fisher/><ref name=mosley/> |
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Medical opinion is that the benefits of fasting remain unproven by adequate high-quality ], and adults should eat about 2000 calories a day.<ref name=mosley/> For some people, such as pregnant women or ] on medication, fasting may be unsafe.<ref name=fisher/><ref name=mosley/> |
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==History == |
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Fasting is an ancient tradition, having been practiced by many cultures and religions.<ref>{{cite web|url=https://idmprogram.com/fasting-a-history-part-i/|title=Fasting - A History|first=Dr Jason|last=Fung|date=11 April 2015|publisher=}}</ref> ] was known to ] short-term fasting to ] ]s in the ].<ref name="Hicks">{{cite news | last=Hicks | first=Cherrill | title=Why fasting is now back in fashion | newspaper=The Telegraph| date=13 April 2015 | url=https://www.telegraph.co.uk/lifestyle/11524808/The-history-of-fasting.html | accessdate=14 January 2019}}</ref> The modern 5:2 diet was popularized in the ] in 2012 after Dr. Michael Mosley took part in a ] ] ] about the ] of fasting.<ref name=mosley/><ref name=BBC/><ref name="5:2book">{{cite book |author1=Michael Mosley |author2=Mimi Spencer |title=The 5:2 Fast Diet |date=26 February 2013 |publisher=Atria Books |isbn=9781476734941 |url=https://thefastdiet.co.uk/how-many-calories-on-a-non-fast-day/ |accessdate=14 January 2019}}</ref> Interest in the 5:2 diet increased after Mosley published a series of related diet books, beginning with the first book – ''The 5:2 Fast Diet'' – in early 2013.<ref name=5:2book/> |
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==See also== |
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==References== |
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{{reflist}} |
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==External links== |
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* {{official|https://thefastdiet.co.uk/}} |
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{{Diets}} |
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