Weird Fasting Side Effects

Find out what causes your body to react differently to a fast, and what it has to do with your hormones and more...

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 *This content is strictly the opinion of Annette Bosworth, MD.  Our content informs and educates viewers. Medical advice is not given on this channel. Your personal physician gives the medical advice and treatment specific to your situation. Dr Boz channel only educates. Consult your doctor or qualified health professional regarding specific health questions. Neither Dr. Bosworth nor the publisher of this content takes responsibility for possible health consequences of any person(s) receiving this educational content. Ask your health advisors before beginning any nutritional supplement or lifestyle program.

[fuzzybunny]

I did something really dumb. Went from zero excercise and a high carb diet, straight into a 3 day fast with walking 5km per day. I have Hashimotos hypothyroidism. I felt cold and weak as if wading through wet concrete. Also had palpitations and mild dizziness on occasion. My body is starting to recover. Lesson learned.

[BetterMondayFasting]

I embrace the symptoms of fasting. If the fasting gets too fierce, we can break it, recuperate, and return to it later. It's not a race or a diet. There is no failing with fasting—just time passing by between two fasts.

[daduyar]

I am in same situation, when fasting, feel cold and when I drink warm water, to warm my body after few minutes feel my cold. My fingers, nose and feet become like ice, even shivering take a warm bath. But as soon break my fast my body warm up. Will watch other video to get rid of it. Thanks

[Lisa-hmmp]

Finally, someone whose explaination makes sense. Thank YOOOOU so much, Loved One. I appreciate you!

[coombabaykelpiesltf]

This video was amazing! Thank you so much.
Can you do more on long fasting symptoms? Like cramps below the rib cage, Waves of nausea etc

[MapleBoarder]

Thanks, that rush of energy from Ketones the liver produces explains a lot. At about 36 hours my heart feels like it’s racing, fatigue, lightheadedness/nausea and feeling cold. I attempted a 72 hour fast before and my rest heart rate was around 110bpm toward the end.

[kimwilliams]

This helped me so much. I’m just at 24 hours. Goal is to go to 36 or maybe 42. Ketones at 2.6 Glucose 68. I have been gradually doing this more like time restriction but going a little longer. Hope I have a good night. Thanks Dr. Boz!!! P.S. I am a little cold.

[col_Guile]

i get chest pains when i fast. even when i take the appropriate vitamins minerals and electrolytes

[Unknown-t]

My body aches at hour 60. I’ve been here before with a 72 hour fast. Once I get past the aches it’s smooth sailing for me. I’m shooting for 5 days fasted on nothing but water.

[jackiel]

I can't find a link the video where she's going to teach you how to fast

[ConservativeEcoMOMic]

YouTube warned me this video might be about self-harm! Good grief.

[markdunbar]

Fist time do a 72 hour fast and not experiencing any negative symptoms, no hunger pains, no headaches, no tiredness. Feel the same as when I'm eating. I'm 55 years old and not overweight. Im on day 2. Would love to know why my body is so comfortable not getting any food

[iss]

What if you are just cold? Have been doing alt day fasting for 7 months, lost 30 pounds. Brain is good, energy is good, i am just cold

[williamdavis]

Interesting explanation.

I was fully Keto for about 8 months, during that time I did multiple long fasts. 5 day, 6 day, 7 day and even did an entire month eating 4 days and fasting three. All worked beautifully, I felt great and had loads of energy.

One problem, after one of my long fasts my feet and hands were freezing cold on the 6th day of the fast and my core temp dropped to about 94.5. Needless to say I broke the fast.

Now when ever I attempt longer fasts my core temp drops and my feet are ice cold. This explanation in this video makes complete sense but only makes sense if these things happen in the first few days. What about getting cold like that deep into a fast after 6 days or so? You're obviously fully into the fast and everything explained has already happened.

Part of me is wondering if I should just power through it assuming the body will eventually adjust the temp. But getting down to 94.5 degrees can be disturbing. I've been doing tons of research to get to the bottom of this but there simply isn't enough information out there regarding this specific problem.

[brittanywilliams]

I am on a 21 day fast and my mouth keeps filling up with saliva.. Can someone help, how can i stop this.. Every minute I am spitting..

[BigShean]

I’m having excessive constant saliva. Anybody have any ideas?

[Maria_Fomina]

So, the heart palpitations are caused by excess of energy? I thougth it was lack of electrolites... It may as well mean not the excess of energy in the positive sense, but overstraining your adrenal system. I've once heard about this effect of stressing your body too much by too high ketone levels (above 2-3, for example). I'm still confused what is better - get the highest possible ketones level or some optimal level that is not so high would be better.

[karenbuchert]

Great video! Watching from Terre Haute Indiana. ❤🎉

[skorpiirl]

I have done 24-48 hr fasts for years but recently started doing extended fasts. I remember being cold in the second or third day the first time I did a 96 hour water fast. That was the longest fast I ever did and my first extended fast. I now do 72 hour water fasts some times and never feel cold BUT I do think I get that sudden fast heart rate thing usually in the second or third day. I was never concerned about it but this is interesting. I wonder if after that first time, my thyroid just realized that my liver would come to the rescue 🤨

[kennyh]

Fasting side affects? diarrhea is what I get!
I've fasted for over 30 days several times to cure illnesses I developed and it worked but never had serious side effects!