Multiple sclerosis (MS) affects about 2.3 million people from around the world and women are affected by it by about two times more than men. For characteristics, MS has three different phenotypic subtypes; progressive relapsing MS, secondary progressive MS, and primary progressive MS. The causes of multiple sclerosis are uncertain, but it is considered an autoimmune disease. An autoimmune disease is where the immune system attacks its own tissue. MS is thought to be responsible for environmental factors and genetics. It affects many body systems such as the immune, skeletal, and digestive systems. It affects the immune system by attacking healthy nerve tissue, the skeletal system is affected from bones being weakened and you have a higher
