YDS CÜMLE ATMA / TEST 3 35. Soru

35.

- (I)Until recently, researchers knew that
laughing was good for us, but they didn't really
understand how. (II) Laughing at somebody is
considered to be ridiculing the individual. (III)
New evidence points to changes in the brain as
the source for laughter. (IV) Researchers found
that when people laugh, a part of the brain's
reward system is triggered. (V) In this reward
system, a person feels pleasure and wants to
have the same pleasant feelings over and over
again.