They laugh because they are giddy, which means they feel really happy and can laugh at the stupidest things.
comedians make people laugh by telling people `joke's` that are funny and then people obviously laugh . :)
Yes it is rude to laugh at people
People laugh or smile because they are happy.
Funny People can make you laugh!!!!!!!!
People are not animals ,such as dolphins, laugh the same way we do it just does not sound the same as when we laugh.
If you laugh hard enough for a long period of time, your body will become tired from laughing so much that you will get sleepy and if you try to go to sleep, then you probably can.
No...you should laugh with them!
Yes
People usually laugh because they're nervous
About 2 billion people laugh every day
Sun makes people more tired . ^^
A person who makes people laugh is called a comedian.