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.
Dementia care: What happens in the brain? Dementia is an umbrella term for a range of different disorders that affect the brain- get the low down on the various types here. In scene 1 of Louise's story, Louise is diagnosed with dementia, the umbrella term for various diseases affecting the brain and the way it functions.