Much has been said about the power of a smile. Sure enough, it’s one unique curve that can set everything straight. In a broader viewpoint, smiling indicates that a person is willing to expose and give away a certain part of him that is happiness. This perception has somewhat overshadowed some other facts about this particular human face. For those who want to look into smiling more closely, below is a roundup of unusual facts about it.

1. Some Unusual Facts behind
Smiling
Much has been said about the power of a smile. Sure
enough, it’s one unique curve that can set everything straight. In a
broader viewpoint, smiling indicates that a person is willing to
expose and give away a certain part of him that is happiness. This
perception has somewhat overshadowed some other facts about
this particular human face. For those who want to look into
smiling more closely, below is a roundup of unusual facts about it.
Smiling Doesn’t Always Indicate Happiness
Those who are exploring evolution have found out that a
smile is an indication of fear. Smiling is easily observed in animals
like monkeys and apes. Experts believe that smiling is the way for
these animals to tell their predator that they’re not harmful or
perhaps, palatable.
Smiling in humans doesn’t only convey happiness. It’s also an
act to mask embarrassment, anger, fear, confusion, and anger.
Based on some studies, people also smile when they tell lies.

2. It’s an Inborn Mechanism
According to Charles Darwin, facial expressions are a
product of evolution, instead of cultural interactions and other
external factors. This proposition is evident among newborn
babies. All newborn babies smile, and scientists believe that
everyone’s born with the ability to do it.
Fake it ‘Till You Make It
Faking a smile may not be an acceptable and ethical
behaviour, but science says doing it can actually make you
happier. Laughter yoga practitioners also believe in this. In fact,
it’s one of the tenets of their discipline.
Smiling is Contagious
“Smile and the world will smile with you.” This adage may
be an understatement, but it’s scientifically correct. Researchers
agree that just like yawning, smiling is communicable. They found
out that some people find it hard to frown or make a face if they
take a look at smiling subjects.

3. The smile will remain mysterious. Putting it in context, one
can easily infer that it’s as mysterious as Mona Lisa’s smile. For
now, it’s alright to be content that a smile is generally a positive
human experience, and that people are willing to improve their
teeth to give others a good impression.
SOURCES:
http://arabia.msn.com/lifestyle/health-fitness/1756358/10-factsabout-smiling-you-didnt-know/
http://www.webmd.com/beauty/beautiful-smile-12/smilepersonality
http://blogs.scientificamerican.com/observations/2010/05/24/the
-evolution-of-emotion-charles-darwins-little-known-psychologyexperiment/
http://www.booragoondental.com.au