what is the biologic effects of smiling and laughing?

Subject: what is the biologic effects of smiling and laughing?

Date: Fri Mar 12 14:50:56 2004
Posted by f zehra arslan
Grade level: undergrad School: Acikogretim Lisesi
City: Istanbul State/Province: NA Country: TURKEY
Area of science: General Biology
ID: 1079124656.Gb

Message:


i wonder why do i feel so good when i smile.. and after similing days i feel 
healty..

Re: what is the biologic effects of smiling and laughing?

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