A jellied loaf or sausage made from edible parts of the head, feet, and sometimes the tongue and heart especially of a pig.
80% of cow's milk is casein Concentrated milk products(cheese, ice cream, milk chocolate) can have increased amounts of the addictive opiates or BCM7 proteins that link up to opiate receptors in the body, particularly the brain.  Full Definition of HEADCHEESE. : a jellied loaf or sausage made from edible parts of the head, feet, and sometimes the tongue and heart especially of a pig. See headcheese defined for English-language learners. ADVERTISEMENT. Swiss Cheese. A popular term used in various specialties referring to a gross appearance, microscopic pattern, or morphology characterised by multiple, sharply demarcated variably sized and randomly scattered rounded spaces superimposed on a relatively homogeneous or solid background, thus being likened to Swiss cheese. Liver Swiss cheese refers to the changes in the liver in peliosis hepatis which is punctuated by multiple 0.2 mm in diameter blood-filled lacunae, often devoid of endothelial lining, which may represent distended sinusoids or vessels. Lung. Figure 1. Axial T2 (A) and FLAIR (B) weighted MRI demonstrating dramatically enlarged Virchow Robin spaces. This swiss cheese appearance is caused by unusually large Virchow-Robin spaces (VRS), normal perivascular extensions of the subarachnoid space. Large VRS can be a phenomenon of aging or cerebral atrophy, particularly over the hemispheric convexity. VRS 2 cm in diameter have been described in normal patients. VRS are FLAIR and T1 hypointense, and T2 hyperintense Dementia: A Brain Made of Swiss Cheese. What a terrible condition dementia is. It takes the brain of a bright, loving, proud, communicative – add your own adjectives – individual and turns him or her into an infant. He has nothing to say to them and hands the phone over to me. It's sad and frustrating to watch the brain turn to Swiss cheese, letting all the things learned over a lifetime slowly fall through the holes. But that's the way with dementia. We learn to live with it and cope the best we can CheeseBrain. What happens when you can't remember the most basic details of a recent event/interaction. The combination of the words Swiss Cheese and Brain, somewhere along the line Swiss got dropped. Can be used in any manner you see fit as the situation requires. Originally coined by Ben Brown of Ontario, Canada.  Head cheese or brawn is a cold cut that originated in Europe. A version pickled with vinegar is known as souse. Head cheese is not a dairy cheese, but a terrine or meat jelly made with flesh from the head of a calf or pig, or less commonly a sheep or cow, and often set in aspic. The parts of the head used vary, but the brain, eyes, and ears are usually removed. The tongue, and sometimes the feet and heart, may be included. In Brabant, it is called zult and is made with blood. Pig's foot provides the gelatin and a little vinegar is added to it. In Limburg, it is called hoofdkaas, meaning head cheese, and is eaten on bread or with Limburgisch sausage as a starter. A red, sweet variety and a slightly sour, grey variety are available. The red one can be compared to Brabantic zult (July 2014). Cheese is a heroin-based recreational drug that came to the attention of the media inside and outside the United States after a string of deaths among adolescents in the Dallas-Fort Worth Metroplex, between 2005 and 2007. 
http://www.drbilldean.com/2011/01/opiates-and-cheese.html http://www.merriam-webster.com/dictionary/headcheese http://medical-dictionary.thefreedictionary.com/Swiss+cheese http://www.neurology.org/content/68/2/140.full https://www.agingcare.com/Articles/dementia-a-brain-made-of-swiss-cheese-162787.htm http://www.urbandictionary.com/define.php?term=cheese%20brain https://en.wikipedia.org/wiki/Head_cheese https://en.wikipedia.org/wiki/Cheese_(recreational_drug)
cheese brain means