A new study has found that livestock farming millennia ago may be behind the modern-day prevalence of multiple sclerosis . Ancient DNA revealed this as the reason that certain populations have a higher risk of MS, Knewz.com has learned. Multiple sclerosis (MS) is an autoimmune disease of the brain and spinal cord that affects 2.8 million people worldwide, according to the National Multiple Sclerosis Society . The disease is most prevalent in Northern Europe, and about a third of the cases come

Tag-uri: DNA