Decades of research suggest that the quality of our social ties might be the single biggest predictor of our well-being. Social connections are sometimes called “social capital” for good reason: They ...

L-theanine is an amino acid found mainly in green and black tea. Research suggests that around 200 to 400 milligrams (mg) per day may help manage anxiety and stress, though more research is necessary.

Kate Ellis, a former English professor who taught at Rutgers University in New Brunswick, New Jersey, for more than 40 years, says she started teaching as a way to have a positive impact on others. In ...