According to the BBC, two out of every 100 people suffer from obsessive-compulsive disorder. Go ahead and take the the Florida Obsessive-Compulsive Inventory OCD Screening Test if you’re a little worried about that habit of counting to 50 before stepping up onto the Franklin train to Back Bay or checking the latch on the chicken coop at 2:30 am, “one last time.” Hypothetically-speaking.

