Autoimmune disease is the result of the body's immune system targeting and attacking its own tissues in the same way that it would normally tackle infection. The tissues affected become inflamed and damaged.
The city of Venice is a major center of culture and tourism in Italy, a country in southeastern Europe. It is famous for its beautiful canals, palaces, and art. The city is built on more than 100 small islands.
Biblioteca Nazionale Marciana: A Treasure Trove of Ancient Manuscripts. The main public square of the Italian city of Venice is the Piazza San Marco (St. Markâs Square). Around this square are some of the most recognizable buildings in Venice.