I spent much of the past week on the frozen tundra of northern Indiana, attending my father-in-law’s funeral. It was a sad occasion, made all the more so by the oppressive cold, wind, and snow. Whenever I travel north at this time of year, the provocative question that always pops into my head is, why don’t humans hibernate? Hibernation is an adaptation to cold weather that many animals native to colder climates use to survive the winter. When we hear hibernation, we tend to think of bears, but most hibernating animals tend to be smaller with higher metabolic rates. When their ability to find food is diminished, they effectively “downshift” to a lower rate and enter a sleeplike state that lasts until warmer weather triggers an increase in metabolic function. Unlike those cold-adapted animals, humans are native to tropical and semitropical regions where food supplies are relatively consistent throughout the year. The migration of humans to colder areas has only ha...
Maker • Doer • Grower • Writer | Author of Such Is Life in Vacationland: Essays and Anecdotes from Ohio's North Coast