It seems to be most peoples' opinion that Thai beer (ie:Chang,Singha,Leo) gives you a bad hangover compared to decent stuff - ie: Heinekin.
I'm sure everyone's heard of the bullshit about formaldehyde etc.. but there must be some reason for the bad head in the morning off this locally produced pig's urine.
Why the bad head? - I can drink 2 local beers and get a hangover before the third yet no problem with normal beer.
Do they put some kind of additive in it or is it just an inferior manufacturing process of some kind , and if so what?