. When these energy sources are too low the brain reacts to try to restore them, which can cause headaches as well as lightheadedness, weakness, headache, sweating. You may even experience pulsing headaches from fasting, which is"due to minor changes in blood sugar that affect pain receptors," Maeng says.
Finally, a fasting headache could be due to caffeine withdrawal if you are used to drinking caffeine in the morning and now you're skipping it due to fasting, Maeng says.has shown that caffeine withdrawal headaches are triggered by a change in blood flow in the brain. Because caffeine causes blood vessels to constrict, stopping your caffeine consumption allows blood vessels to open up, increasing blood flow. This sudden change can cause those painful withdrawal headaches.
As for the caffeine withdrawal, if you know ahead of time that you'll be fasting and avoiding caffeine, taper down your intake to prevent headaches when you do start, says , RDN, LDN, in Houston. This way, your body will already have reduced its reliance on caffeine and you'll suffer less when you nix it."Fasting is certainly not for everyone," Maeng says. Specifically, it's not recommended if you have diabetes or if you're are currently pregnant or trying to conceive. If you have a history of disordered eating, being underweight, or have low blood pressure, fasting is strongly discouraged, she says.
United States Latest News, United States Headlines
Similar News:You can also read news stories similar to this one that we have collected from other news sources.
Source: cleveland19news - 🏆 70. / 68 Read more »
Source: TheStarPhoenix - 🏆 253. / 63 Read more »
Source: WebMD - 🏆 709. / 51 Read more »
Source: iamwellandgood - 🏆 462. / 53 Read more »
Source: EatThisNotThat - 🏆 294. / 63 Read more »
Source: iamwellandgood - 🏆 462. / 53 Read more »