How the Epstein-Barr virus triggers MS in some people
Briefly

How the Epstein-Barr virus triggers MS in some people
"The Epstein-Barr virus is a herpes virus and is considered a contributory cause of various cancer and autoimmune diseases. It is transmitted via droplets such as in saliva. That's why one of the diseases caused by the virus, Pfeiffer's disease, or Pfeiffer's glandular fever, is also known as the kissing disease. It has been known for a long time that the Epstein-Barr virus (EBV) is also a contributing cause of multiple sclerosis."
"People who develop multiple sclerosis have a misguided immune system. Instead of attacking intruders from outside, it turns inward, against a person's own body. Parts of the immune defense attack the myelin sheaths, which surround our nerve fibers like an insulating layer and which usually help to transmit signals. People who have developed MS often suffer from vision and sensory problems. Initially, they're unable to control their abdominal muscles, then the sphincter muscles of the bladder and bowel."
Epstein-Barr virus (EBV) is a herpesvirus transmitted via saliva that contributes to cancers, autoimmune diseases, and is linked to multiple sclerosis (MS). Nearly everyone carries EBV lifelong, yet MS affects under 1% of people, implying additional causes. MS arises when the immune system mistakenly attacks myelin sheaths around nerve fibers, causing vision and sensory problems, loss of abdominal and sphincter control, and eventually respiratory muscle involvement. Treatment suppresses the immune system, while prevention would be preferable. Countries with high MS prevalence include Canada, the US, Germany, Italy, Norway, Sweden, Finland, and Iceland. Researchers have identified interactions between EBV and specific genetic constellations as a decisive factor in MS risk.
Read at www.dw.com
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