Ticked Off: The Mystery of Lyme Disease

The Nature of Things – Season 53

Lyme disease, a mysterious tick-borne illness, has become one of the fastest-spreading diseases in North America. Tiny, dangerous and once uncommon, the population of ticks is growing at an alarming rate. The documentary explores how climate change has hastened the spread of the ticks and this devastating disease, one that is often misdiagnosed and mistreated, and is mired in medical controversy.