Intermittent Fasting and Your Physical and Mental Performance

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If you’re wondering whether Intermittent Fasting will affect the way you’re able to exercise or perform mentally challenging tasks, here’s some great proof that it won’t affect either of them.

Despite what many of us might have been told, we can perform both mentally and physically just as well in our day to day tasks whether we are fasting or not.

In 1986, a study was done where long distance runners were asked to run for 90 minutes once after having eaten and once again after 23 hours of fasting. Not only was there no difference in their physical performance, there was also no difference in their metabolic rate or blood sugar levels  while they were fasting.

Studies also show that Intermittent Fasting has no negative effects on memory or concentration, but actually improves them.

In a 1989 study in the American Journal of Clinical Nutrition a group of people were asked to complete a series of intellectual tests just after eating, after skipping a meal and after 24 hours of no food at all. The results concluded that they had absolutely no decrease in concentration, reaction time or attention span whatsoever.

So there’s no right or wrong time to fast during the week and if done correctly (by sticking to short and intermittent fasts) you’ll be able to continue with your every day activities as normal, with the added bonus of losing weight!

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2 thoughts on “Intermittent Fasting and Your Physical and Mental Performance

  1. I have not done a scientific study on myself but the anecdote is that i feel much sharper mentally and have more energy since i have gone to the once per week 36 hr fast and once per week 24 hr fast. This i find is a good balance and I also work to avoid eating after 8pm or before 8am. For me this is working well and I am very happy to find this resource which helps me understand what works for others.

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