Blood as food and is sometimes called "liquid meat" because its composition is similar to that of lean meat. Blood collected hygienically can be used for human consumption, otherwise it is converted to blood meal. Special fractions of animal blood are used in human medicine. Blood sausage is any sausage made by cooking animal blood with a filler until it is thick enough to congeal when cooled. Pig or cattle blood is most often used. Typical fillers include meat, fat, suet, bread, rice, barley and oatmeal. Varieties include biroldo, black pudding, blood tongue, blutwurst, drisheen, kishka (kaszanka), morcilla, moronga, mustamakkara, sundae, verivorst, and
Superfood diet including fruits and vegetables. According to Cancer Research UK, "the term 'superfood' is really just a marketing tool, with little scientific basis to it". According to Catherine Collins, chief dietitian at St George's Hospital in London, usage of the term can be harmful. Collins has stated that "[t]he term 'superfoods' is at best meaningless and at worst harmful. There are so many wrong ideas about superfoods that I don't know where best to begin to dismantle the whole concept." Cancer Research UK notes that although superfoods are often promoted as having the ability to prevent or cure diseases, including