Quick Meals and Coronary Artery Perform – BionicOldGuy

It has been identified for some time that high-fat meals can quickly impair artery operate by inflicting constriction of the arteries. That is often demonstrated within the arm (brachial artery) as a result of that’s the best to measure. It was additionally made well-known within the film The Gamechangers as a result of it could possibly impair operate in an organ close to and pricey to males beneath the waist. However this can be a momentary impact which will go away after a couple of hours, so you might marvel how necessary this phenomenon this actually is healthwise.

This was answered in a research that appeared on the impact of high-fat meals on coronary arteries, as reviewed in Dr. Michael Greger’s video “Exercising To Protect Your Arteries From Fast Food“. It seems coronary artery operate can be equally impaired for a couple of hours [1]. Such a meal can expend your total “coronary reserve”, which is how a lot surrounding arteries can increase as wanted if blood circulation is restricted in an necessary one. A very powerful is the left descending coronary artery, aka “the widowmaker”. The research confirmed circulation to be drastically lowered on this artery after a high-fat meal. Now think about that you just immediately needed to climb some stairs rapidly or run to catch a practice. Your coronary heart races, however your coronary reserve is used up and your coronary heart is not getting sufficient blood provide. This might set off an angina assault or perhaps a coronary heart assault in individuals whose coronary arteries are already in danger on account of plaque build-up.

The one excellent news is that train can quickly mitigate this impact. About an hour of average train (like brisk strolling) or 20 minutes of extra intense train (like stair climbing), can offset the impact of a subsequent high-fat meal, however provided that you do it lower than about 18 hours earlier than the meal [2,3]. You may also do the train as much as about an hour after the meal, however it doesn’t sound like a good suggestion for somebody with coronary artery illness to briskly go up stairs for 20 minutes proper after impairing their coronary artery operate with a high-fat meal.

After I noticed the quantity of fats within the meal given to the topics, it appeared actually excessive to me, however then I came upon it was only a meal that is perhaps realistically ordered at a fast-food restaurant. So I feel maybe the largest takeaway message is to keep away from such meals. For many of us there’s in all probability no hurt every so often as a “particular deal with”, however for these with coronary artery illness, particularly when you’ve not been very energetic lately, even one such meal isn’t advisable.


  1. Hozumi, T, et al, “Change in Coronary Movement Reserve on Transthoracic Doppler Echocardiography after a Single Excessive-Fats Meal in Younger Wholesome Males”, Annals of Inside Medication, 2002.
  2. Teeman, C, et al “Postprandial Lipemic And Inflammatory Responses To Excessive-fat Meals: A Evaluate Of The Roles Of Acute And Power Train”, Vitamin and Metabolism, 2016.
  3. Cho, M, et al, “The Acute Results Of Interrupting Extended Sitting With Stair Climbing On Vascular And Metabolic Perform After A Excessive-fat Meal”, European Journal of Utilized Physiology, 2020.

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