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.
People who have early onset Alzheimer's may be in any stage of dementia â early stage, middle stage or late stage. The disease affects each person differently and symptoms will vary. If you are experiencing memory problems: 1  Have a comprehensive medical evaluation with a doctor who specializes in Alzheimer's disease.
When the immune system doesnât work right, it can cause diseases in almost any part of the body. It can affect parts we can see, like the skin, and parts we canât see, like the heart and nerves. There are two types of autoimmune diseases: organ-specific and non-organ-specific. Organ-specific diseases slowly destroy a certain type