The brain

Brain

The brain is the center of the nervous system in all vertebrate and most invertebrate animals—only a few primitive invertebrates such as sponges, jellyfish, sea squirts and starfishes do not have one. It is located in the head, usually close to primary sensory apparatus such as vision, hearing,...

, like most other internal organs, or offal

Offal

Offal , also called, especially in the United States, variety meats or organ meats, refers to the internal organs and entrails of a butchered animal. The word does not refer to a particular list of edible organs, which varies by culture and region, but includes most internal organs other than...

, can serve as nourishment. Brains used for nourishment include those of pigs, squirrels, horses, cattle, monkeys, chickens and goats. In many cultures, different types of brain are considered a delicacy.

Cultural consumption

The brain of animals features in French cuisine

French cuisine

French cuisine is a style of food preparation originating from France that has developed from centuries of social change. In the Middle Ages, Guillaume Tirel , a court chef, authored Le Viandier, one of the earliest recipe collections of Medieval France...

, in dishes such as cervelle de veau

Calf's brains

Calf's brains, or cervelle de veau, is a traditional delicacy in Europe and Morocco. It is the brain of a calf consumed as meat. It is often served with tongue, sauteed with beurre noir and capers, or mixed with scrambled eggs ....

and tête de veau.

Similar delicacies from around the world include Mexican

Mexico

The United Mexican States , commonly known as Mexico , is a federal constitutional republic in North America. It is bordered on the north by the United States; on the south and west by the Pacific Ocean; on the southeast by Guatemala, Belize, and the Caribbean Sea; and on the east by the Gulf of...

 taco

Taco

A taco is a traditional Mexican dish composed of a corn or wheat tortilla folded or rolled around a filling. A taco can be made with a variety of fillings, including beef, chicken, seafood, vegetables and cheese, allowing for great versatility and variety...

s de sesos. The Anyang tribe of Cameroon

Cameroon

Cameroon, officially the Republic of Cameroon , is a country in west Central Africa. It is bordered by Nigeria to the west; Chad to the northeast; the Central African Republic to the east; and Equatorial Guinea, Gabon, and the Republic of the Congo to the south. Cameroon's coastline lies on the...

 practiced a tradition in which a new tribal chief

Tribal chief

A tribal chief is the leader of a tribal society or chiefdom. Tribal societies with social stratification under a single leader emerged in the Neolithic period out of earlier tribal structures with little stratification, and they remained prevalent throughout the Iron Age.In the case of ...

 would consume the brain of a hunted gorilla

Gorilla

Gorillas are the largest extant species of primates. They are ground-dwelling, predominantly herbivorous apes that inhabit the forests of central Africa. Gorillas are divided into two species and either four or five subspecies...

 while another senior member of the tribe

Tribe

A tribe, viewed historically or developmentally, consists of a social group existing before the development of, or outside of, states.Many anthropologists use the term tribal society to refer to societies organized largely on the basis of kinship, especially corporate descent groups .Some theorists...

 would eat the heart. Indonesia

Indonesia

Indonesia , officially the Republic of Indonesia , is a country in Southeast Asia and Oceania. Indonesia is an archipelago comprising approximately 13,000 islands. It has 33 provinces with over 238 million people, and is the world's fourth most populous country. Indonesia is a republic, with an...

n cuisine specialty in Minangkabau cuisine also served beef brain in a coconut-milk gravy named gulai otak (beef brain curry). In Cuban cuisine

Cuban cuisine

Cuban cuisine is a fusion of Spanish, African and Caribbean cuisines. Cuban recipes share spices and techniques with Spanish and African cooking, with some Caribbean influence in spice and flavor. This results in a unique, interesting and flavorful blend of the several different cultural influences...

, "brain fritters" are made by coating pieces of brain with bread crumbs and then frying them.

Nutritional benefits of eating brain

DHA, an important omega-3 fatty acid which is also referred to by the technical designation of 22:6, is found concentrated in mammalian brains. For example, according to the nutrition data website, 3 oz. of cooked beef brain contains 727 mg of DHA. By way of comparison, the NIH has determined that small children need at least 150 mg of DHA per day, and pregnant and lactating women need at least 300 mg of DHA.

Fat and cholesterol

The makeup of the brain is about 12% fat, most of which is located in myelin

Myelin

Myelin is a dielectric material that forms a layer, the myelin sheath, usually around only the axon of a neuron. It is essential for the proper functioning of the nervous system. Myelin is an outgrowth of a type of glial cell. The production of the myelin sheath is called myelination...

 (which itself is 70-80% fat). Specific fatty acid ratios will depend in part on the diet of the animal it is harvested from. The brain is also very high in cholesterol. As an example, a 140 g can of "pork brains in milk gravy", a single serving, contains 3500 milligrams of cholesterol

Cholesterol

Cholesterol is a complex isoprenoid. Specifically, it is a waxy steroid of fat that is produced in the liver or intestines. It is used to produce hormones and cell membranes and is transported in the blood plasma of all mammals. It is an essential structural component of mammalian cell membranes...

, 1170% of the USRDA.

Prions

Brain consumption can result in contracting fatal transmissible spongiform encephalopathies

Transmissible spongiform encephalopathy

Transmissible spongiform encephalopathies , also known as prion diseases, are a group of progressive conditions that affect the brain and nervous system of many animals, including humans. According to the most widespread hypothesis they are transmitted by prions, though some other data suggest an...

 such as Variant Creutzfeldt-Jakob disease

Creutzfeldt-Jakob disease

Creutzfeldt–Jakob disease or CJD is a degenerative neurological disorder that is incurable and invariably fatal. CJD is at times called a human form of mad cow disease, given that bovine spongiform encephalopathy is believed to be the cause of variant Creutzfeldt–Jakob disease in humans.CJD...

 and other prion

Prion

A prion is an infectious agent composed of protein in a misfolded form. This is in contrast to all other known infectious agents which must contain nucleic acids . The word prion, coined in 1982 by Stanley B. Prusiner, is a portmanteau derived from the words protein and infection...

 diseases in humans and mad cow disease

Bovine spongiform encephalopathy

Bovine spongiform encephalopathy , commonly known as mad-cow disease, is a fatal neurodegenerative disease in cattle that causes a spongy degeneration in the brain and spinal cord. BSE has a long incubation period, about 30 months to 8 years, usually affecting adult cattle at a peak age onset of...

 in cattle. Another prion disease called kuru

Kuru (disease)

Kuru is an incurable degenerative neurological disorder that is a type of transmissible spongiform encephalopathy, caused by a prion found in humans...

 has been traced to a funerary ritual among the Fore people of Papua New Guinea

Papua New Guinea

Papua New Guinea , officially the Independent State of Papua New Guinea, is a country in Oceania, occupying the eastern half of the island of New Guinea and numerous offshore islands...

 in which those close to the dead would eat the brain of the deceased to create a sense of immortality

Immortality

Immortality is the ability to live forever. It is unknown whether human physical immortality is an achievable condition. Biological forms have inherent limitations which may or may not be able to be overcome through medical interventions or engineering...

. Some archaeological

Archaeology

Archaeology, or archeology , is the study of human society, primarily through the recovery and analysis of the material culture and environmental data that they have left behind, which includes artifacts, architecture, biofacts and cultural landscapes...

 evidence suggests that the mourning rituals of Europe

Europe

Europe is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally 'divided' from Asia to its east by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways connecting...

an Neanderthal

Neanderthal

The Neanderthal is an extinct member of the Homo genus known from Pleistocene specimens found in Europe and parts of western and central Asia...

s also involved the consumption of the brain. Because of the risk of being infected by prions one should always wear gloves when handling brains.

Wild animals

It is also well-known in the hunting community that the brain of North American wild animals should not be consumed, due to the risk of chronic wasting disease

Chronic wasting disease

Chronic wasting disease is a transmissible spongiform encephalopathy of mule deer, whitetailed deer, elk , and moose. TSEs are caused by unusual infectious agents known as prions. To date, CWD has been found mainly in cervids...

. The brain is still useful to hunters, in that most animals have enough brain matter for use in the tanning

Tanning

Tanning is the making of leather from the skins of animals which does not easily decompose. Traditionally, tanning used tannin, an acidic chemical compound from which the tanning process draws its name . Coloring may occur during tanning...

of their own hides.