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.
One brain disease is inflammation of the brain and is a very serious matter to deal with. Viruses cause this common occurrence however it is a bacterium that is responsible for the ongoing damage. In many serious cases you will experience headaches or migraines, fever, vomiting, disorientation and even seizures.