Polygons are many-sided figures, with sides that are line segments. Polygons are named according to the number of sides and angles they have. The most familiar polygons are the triangle, the rectangle, and the square. A regular polygon is one that has equal sides.
For information about Memory Disorder Clinics and the Florida Brain Bank, see Clinical Evaluation and Research. It is very rare to show signs of dementia before age 40, however the youngest person ever diagnosed with Alzheimerâs was 27 years of age. Alzheimerâs and Downâs Syndrome are both on chromosome 21, and patients who have Downâs Syndrome invariably develop Alzheimerâs if they live long enough.
Having a parent, brother or sister with Alzheimerâs disease may increase your own chances of developing the condition very slightly, but it does not mean dementia is inevitable for you. Does dementia only affect older people? The chances of developing dementia increase as we get older and it is uncommon to get dementia before 65 years of age. However at least 42,000 people in the UK under 65 have dementia. This is sometimes referred to as âyoung-onset dementiaâ. Related information: Worried about your memory?