Lomonosov Moscow State University (MSU; Russian: Московский государственный университет имени М. В. Ломоносова) is a coeducational and public research university located in Moscow, Russia. It was founded on January 25, 1755 by Mikhail Lomonosov. It's the tallest educational building in the world.[
Obsessive–compulsive disorder (OCD) is a mental disorder where people feel the need to check things repeatedly, have certain thoughts repeatedly, or feel they need to perform certain routines repeatedly. People are unable to control either the thoughts or the activities. Common activities include hand washing, counting of things, and checking to see if a door is locked.
