Smiling can also boost your overall health. The act of smiling actually helps the ...minhajibnarafiq (39)in APPICS • 4 years ago ... human immune system to function more effectively. It is thought that when you smile, immune function improves because you are more relaxed (thanks to the release of certain neurotransmitters). #apx #appicsbangladesh #life #smile
Perfect background ..
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