There's No Such Thing as Bad Weather: A Scandinavian Mom's Secrets for Raising Healthy, Resilient, and Confident Kids (from Friluftsliv to Hygge)

by Linda Åkeson McGurk

Many researchers believe that smaller family sizes, increased antibiotics use, less contact with animals, more time spent indoors, and an obsession with cleanliness have all contributed to our immune systems slacking off in the past fifty years.