There are many ways, the easiest of which is this: don't drink.
The best way to avoid and prevent a bad hangover is to limit alcohol consumption. If you have an occasion that alcohol will be consumed in great quantities, the best way to avoid a hangover (which is caused by dehydration) is to consume plenty of water with the alcoholic beverages.
dont drink
Don't play with matches.
A hangover
Don't mix drinks; don't drink to excess.
Ummm sweating is a natural reaction from your body to keep you from overheating. I am pretty sure there is no way, or at least no safe way, to prevent sweating.
Yes there will be "The Hangover 2" movie that comes out in 2011. It's already announced and written. Production will start soon.
A way to prevent adult content from appearing in search results.
One good reason is to prevent foodborne illness.
to be bluntly honest a hangover effect is enevidable. It is your brains way of saying that hurt me. The best advice there is if you don't want the hangover don't do the deed. However if you do have a hangover I suggest proper hydration and Excedrine
for adults? Hangover all the way!
It is safe to prevent some things, but, others you must not prevent.