Hey guys! I've seen over and over questions and comments regarding dieting so I decided to start a series where I conduct a diet ...

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Doctor Mike On Diets: Intermittent Fasting | Diet Review

i've seen your requests i've read your comments so here we go intermittent fasting i'm dying to talk to you about this i eat for eight hours and i fast for 16. i can feel the difference before we get into the pros and cons and if you should do it let's talk about what intermittent fasting actually is human fasting is not a new concept by any means humans have been doing it for a millennia intermittent fasting is just a rebranding of something that we have already been doing our bodies enter a fasting state every time we're asleep some people do intermittent fasting and not even know it i mean there's plenty of times where i had a stressful rotation in medical school or difficult job in the hospital where i didn't have time to eat breakfast that's a form of intermittent fasting and our bodies are totally capable of handling this i know what you're thinking i don't want to starve myself for health benefits intermittent fasting is not starving when you're fasting your body is using stored nutrients and stored energy forms in order to make your body continue to function when you're starving you've run out of those energy sources and are breaking down vital tissues like organs to get that same energy there are many different ways to go about going on one of these diets and that not only makes it confusing for you but that also makes it very difficult to do research on it to find out how effective it truly is because if there are multiple ways to do it we have to be able to test each one of those ways the 16-8 diet which is uh not eating during 16 hours of the day alternate day fasting where you eat one day fast the other day five and two were two days of the week that you're fasting there's no hard and fast rule saying that this is the correct way of doing it you may be wondering how is iaf beneficial to me there's been a lot of proposed health benefits many of them have been proven within animal studies or lab models which is not the same thing as being proven in a human model but they are very promising now those benefits include increased mental sharpness a favorable hormonal profile weight loss decreases of inflammation within the body decreases of certain diseases within the body how can iaf help you lose weight you have an increase in growth hormone a decrease in insulin and that alone will help you lose weight next because you're skipping meals or even going days without eating meals it's very likely that when you look throughout the week you'll be eating fewer calories our thinking is that during eight hours you'll eat less than you would if you were eating during 16 hours let's talk about these other health benefits we know that chronic stress is not good for the body the body is just not meant to be chronically stressed out it's not meant to have a high heart rate high blood pressure intermittent fasting is really a form of acute short-term mild stress this type of acute short-term stress is really good for the body what can we use as a metaphor here let's take exercise exercise is a form of acute mild stress what happens after exercise we have benefits for the brain we have benefits for weight loss we have benefits for disease prevention now similarly when you stress your body through intermittent fasting there are some benefits more autophagy which is the removal of cellular waste more production of neurotrophic factors which protect your brain and a favorable hormonal profile with increases in human growth hormone and norepinephrine let's talk about some of the shortcomings of if primarily there's not enough guidance of what you should eat we don't know how many calories we don't know what foods to eat on the days or times that you actually are eating second we don't know which form of if is best third there are some side effects when you are fasting that people do experience headaches mental fog heartburn these things do exist it's not totally benign four we don't know the consequences of following an intermittent fasting diet long term most if not all of these studies are done on the short term if you are eating a very unhealthy diet and then make a change you're definitely going to see a benefit but now does this benefit still hold up one two three ten years down the line we don't know that yet when it comes to iaf and five it's not easy for everybody to fight off those cravings on fasting days all right my final take on if i think it's a great concept with some really promising medical research behind it i think that if you can skip a meal you can skip a breakfast here and there you're gonna see some benefits does that mean you should go on this very rigid diet where you're doing the five and two or sixteen and eight i don't think we should quite make this a religious rigorous part of our everyday life because we don't know the long-term consequences of it but in a society that's prone to overeating a fasting day won't hurt and will probably help as always stay happy and healthy so here we go intermittent fasting kind of a intermittent yeah it was like borderline our bodies have adapted to this sort of fasting period because of throughout the millennium many people are doing this already and not not our bodies are totally capable and have adapted to not being filled with food 24 hours a day why are you laughing creating more mitochondria which is the energy making machinery of the cell energy making which is the energy center of the cell so [Music]

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