Over the past 30 years, our attitudes toward lunch seem to have shifted from a structured daily ritual to a more flexible—and often neglected—part of the day. In the 1990s, when my kids were born, lunch was typically...

Many of us grow up hearing the same ideas about aging: that getting older means slowing down, getting sick, or becoming less involved in life. Over time, these beliefs can start to feel true—even when they’re not. The...