Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 58. Chapters: Sacrifice, Liturgy, Fertility rite, Obsessive-compulsive disorder, Ceremonial use of lights, Legal aspects of ritual slaughter, Julleuchter, Ritualism, Myth and ritual, Orthopraxy, Mim s, Potlatch, Paul Rebillot, Libation, Balady citron, rauta, Bull-leaping, Kalpa, Blood brother, Mysophobia, Tarka sastra, Ritualization, Cambridge Ritualists, Water Communion, Paranymph, Babulang, Ritology. Excerpt: Obsessive-compulsive disorder (OCD) is an anxiety disorder characterized by intrusive thoughts that produce uneasiness, apprehension, fear, or worry, by repetitive behaviors aimed at reducing the associated anxiety, or by a combination of such obsessions and compulsions. Symptoms of the disorder include excessive washing or cleaning; repeated checking; extreme hoarding; preoccupation with sexual, violent or religious thoughts; aversion to particular numbers; and nervous rituals, such as opening and closing a door a certain number of times before entering or leaving a room. These symptoms can be alienating and time-consuming, and often cause severe emotional and financial distress. The acts of those who have OCD may appear paranoid and potentially psychotic. However, OCD sufferers generally recognize their obsessions and compulsions as irrational, and may become further distressed by this realization. OCD is the fourth most common mental disorder, and is diagnosed nearly as often as asthma and diabetes mellitus. In the United States, one in 50 adults suffers from OCD. Obsessive-compulsive disorder affects children and adolescents as well as adults. Roughly one third to one half of adults with OCD report a childhood onset of the disorder, suggesting the continuum of anxiety disorders across the life span. The phrase "obsessive-compulsive" has become part of the English lexicon, and is often used in an informal or caricatu...