What Nationality Has The Worst Teeth? Polish children have the worst teeth in any OECD country; a 12 year old has nearly four teeth that are missing, decayed or have a filling. American adults are renowned for having perfect sets of pearly whites, but each child has one decayed or missing tooth. What is the
What Does Science Say About Smiling? “In our research, we found that when you forcefully practice smiling, it stimulates the amygdala – the emotional center of the brain – which releases neurotransmitters to encourage an emotionally positive state. Besides just proving that Frank Sinatra isn’t a liar, these findings are full of mental health implications.
What Are The 3 Types Of Smiles? There are three distinct types of smile, a new study has revealed. People switch between ‘reward’, ‘affiliation’ and ‘dominance’ smiles, using different facial muscle combinations to make them, according to researchers from the University of Wisconsin-Madison. How many types of smiles are there? Of 19 different types of