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Tuesday, May 19, 2009

Alternate Day Calorie Restriction May Boost Health

Is it possible that alternate day calorie restriction can boost health? Some researchers think so. There is unequivocal evidence that calorie restriction increases health. The question these researchers investigated was whether you can restrict caloric intake every other day to achieve similar results. They found evidence that you can. Disease decreased in subjects who limited their caloric intake every other day to only 20 to 50 percent of "estimated daily caloric requirement[s]."1 In addition there is evidence that such a diet "appears to have a profound effect on cardiac function."2 A similar diet is the Fast-5 diet.5

  1. "The effect on health of alternate day calorie restriction: eating less and more than needed on alternate days prolongs life." Med Hypotheses. 2006; 67(2):209-11. Mar 10. Johnson JB, Laub DR, John S. (accessed 5/19/09).
  2. 2006. James B. Johnson, MD; Donald R. Laub, MD; Sujit John, MS. "The Emperor's new clothes are loose: lower body mass index, not calorie restriction, accounts for improved diastolic function." J Am Coll Cardiol. Aug 15;48(4):847-8. doi:10.1016/j.jacc.2006.05.029 (accessed 5/20/09).
  3. James B. Johnson. The Alternate-Day Diet.
  4. Yahoo group on intermittent fasting.
  5. The Fast-5 diet allows eating only between 5:00 p.m. and 10:00 p.m. (Accessed 5/21/09). John T. Daugirdas, MD, has written a book suggesting that an every other day diet is very healthful. See The QOD Diet: Eating Well Every Other Day by John T. Daugirdas. (QOD means "every other day.")

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