Researchers recruited 112 volunteers and presented them each with 80 pictures of people who either had a neutral expression or were slightly smiling. Asked to rate the faces for attractiveness ...

A recent study of 154 people found that those who played games featuring smiling faces and positive messages remained free of depression up to three months after a ketamine infusion, a team ...

Many people — particularly women — are already rightly tired of society telling them to “smile more.” Now a computer gets to help decide what faces are worth changing and what faces are ...

Ms Kawano, who runs another company called Egao Trainer Association – Egao translates to “smiling face” – has trained at least 4,000 people how to smile so far. Local reports credit her ...

Importantly, the control group for those mimicking actors were also shown the faces of ... muscles used to smile are activated, signals are sent to the brain which make people happy, and in ...