Andrea Caesar is not alone in suffering the effects of Lyme Disease.
The tick-borne illness affects at least 30,000 people a year.
But the disease can be so hard to detect and diagnose that Caesar did not know she actually had it… for 25 years.
The odyssey of treatment and discovery she endured is told in her book A Twist of Lyme: Battling a Disease that "Doesn't Exist."