When smiling, muscles used to lift the face can help make a person look younger. Not only that, but people often assume people who smile have more positive personality traits, ...

In half the trials, smiling muscles were activated at the onset of the face. It emerged that producing a weak smile for 500 milliseconds was enough to induce the perception of happiness.

Muscles control all movement in the body, including voluntary movements like walking, running, and jumping, as well as involuntary movements like blinking and smiling. Muscles are a type of tissue ...

In half the trials, smiling muscles were activated at the onset of the face. It emerged that producing a weak smile for 500 milliseconds was enough to induce the perception of happiness.

Smiling has been linked to lowering blood pressure, reducing stress and it boosts the immune system. Getty Images Just like yawning, smiling is contagious and can have a positive effect on others.

NPR's Ayesha Rascoe speaks to Sebastian Korb, a senior lecturer in psychology at the University of Essex, about a new study showing that even forcing a smile can improve a person's mood.

Ms. Kawano began teaching smiling at a gym in 2017 while working as a business etiquette trainer. Despite having no medical training, her curriculum, typically taught in one-hour sessions online ...