Well no not really much two to three days without food isn't that really big of a deal. There are religious groups that fast for 5 to 7 days and they only have water. However if you want to look at what really does happen I'll explain it to you when you go 24 hours without food you're in a mode of being very very hungry the body was used to using the nutrients that were inside the stomach to provide it with fuel. Now that you haven't eaten anything within 24 hours the whole way your body uses fuel has to change so you go from being extremely hungry to all of a sudden not being hungry at all. And the reason for that is because the stomach eventually shrinks it doesn't shrink to the point it closes but it does get very very small. Another reason for this is after the 24-hour Mark the body has to switch where it's getting its fuel from so what it does is it starts eating away your body's fat Reserves. Now what happens is once the body starts eating away at these fat reserves is a different type of protein that gets sent into the bloodstream it's actually called C Reactive protein. Is protein is then released in the cardiovascular system and it's ran throughout the whole entire body in the bloodstream in and out of the major organs. Now in the beginning within the first 48 to 72 hours the person who hasn't eaten might get a very big burst of energy you might feel great you might have like this amazing second wind but in reality it's your body eating your fat Reserves.
Evidence shows that there are certain metals in some vaccines that people who have an allergy to metals can react, which can affect them neurologically. (i’m autistic myself and was affected by a vaccine. i hope this helps.)
