As a result, your immune system attacks healthy cells. Depending on the type, an autoimmune disease can affect one or many different types of body tissue. It can also cause abnormal organ growth and changes in organ function.There are as many as 80 types of autoimmune diseases.s a result, your immune system attacks healthy cells. Depending on the type, an autoimmune disease can affect one or many different types of body tissue. It can also cause abnormal organ growth and changes in organ function.
The diet of pelicans usually consists of fish, which can be up to 30 cm (1 ft) long, but amphibians, turtles, crustaceans and occasionally birds are also eaten. Aquatic prey is most commonly taken at or near the water surface.
Seafood in a Pescatarian Diet. Pescatarians can eat mollusks like mussels. Pescatarians do not eat land animals or birds, including chicken, beef, pork and other types of poultry. They do, however, eat seafood, including fish such as salmon, tuna, trout, whitefish, sardines and even fish roe, also known as fish eggs or caviar.