A recent article in the New York Times highlighted the multiple ways in which loneliness can negatively affect health, including evidence from a recent Dutch study linking loneliness with an increased risk of developing dementia. Researchers say that as inherently social animals, humans require meaningful relationships and connections with others for health and wellbeing. I suggest that any time we have an opportunity for contact with another, we make it as pleasant as possible for everyone involved. Rather than walk away or avoid the eye contact, a cheery hello has the potential to make a real difference in someone’s day.