right. if parent is talking about switching to a ketogenic diet (hardly any carbs), feeling bad for a few weeks is entirely normal as your brain switches over

right. if parent is talking about switching to a ketogenic diet (hardly any carbs), feeling bad for a few weeks is entirely normal as your brain switches over to ketones for fuel. and your fluid / sodium levels adjust (one needs higher sodium intake during transition). and if parent cut out gluten, that has been reported to have opiate-like withdrawl symptoms as well. sources: the art and science of low carb living, wheat belly