Why does chocolate help after a dementor attack?

Chocolate is a sweetened confectionery available in both the muggle and wizard worlds. In the case of the latter, it also has special properties, depending on the brand. read more

In the third book, Remus lupin gave harry some chocolates after his first dementor attack. So chocolates are given to the victim of the attack to help them feel better. read more

I don't think the book ever explains why but chocolate does contain a number of mood altering drugs such as tryptophan, phenylethylamine and anadamide which some people say can make you feel like you're in love. That feeling might help to replace all the good feelings that the dementors suck out of you. read more

Dudley blamed Harry for his state after the attack of dementors because : Harry was pointing his wand at him when the attack happened. Dudley thought that it was Harry's doing to scare him or maybe even harm him. read more