Loneliness is a national epidemic. Here’s what we can do about it.

Last month, Denise Prudhomme, a 60-year-old Wells Fargo employee from Tempe, Arizona, was found dead at her desk by a bank security guard who was investigating reports of a foul odor in the building. Records show that Ms. Prudhomme scanned into the office early Friday morning on August 16, and she was discovered on Tuesday, August 20 — four days later.