Setting aside the notion of determining the number of individual animals on the planet for a moment, merely determining the number of species on the Earth is challenging. Science has only been able to offer estimates thus far, and totals vary greatly.
A. A. A. Multiple sclerosis, or MS, is a long-lasting disease that can affect your brain, spinal cord, and the optic nerves in your eyes. It can cause problems with vision, balance, muscle control, and other basic body functions. The effects are often different for everyone who has the disease.
Multiple sclerosis (MS) is an autoimmune disease that affects the central nervous system. With multiple sclerosis, the brain has difficulty getting messages to the rest of the body. Though we know relatively little about multiple sclerosis, research into its causes and possible treatments is rapidly developing.ultiple sclerosis (MS) is an autoimmune disease that affects the central nervous system. With multiple sclerosis, the brain has difficulty getting messages to the rest of the body. Though we know relatively little about multiple sclerosis, research into its causes and possible treatments is rapidly developing.