Question

REVIEW: Cite evidence that both genetic and environmental factors contribute to Alzheimer’s disease and cerebrovascular dementia.

REVIEW: Many older people adapt effectively to negative life changes. List personal and situational factors that facilitate this generally positive outcome.

Answer 1

Dementia is a common expression for a deterioration in mental capacity which is more than sufficient to affect the daily life. An example Memory is loss. The most typical type of dementia is Alzheimer.

These are the following factors that contributes to Alzheimer and cerebrovascular dementia.

• Age – It is considered to be the most known factor for Alzheimer. Many individuals with this sickness are 65 and older. According to a survey, around 11% people of that age group suffer from this disease.
• Family history is another strong factor. Anyone whose parents, sister or brother has this disease is also likely to suffer. The probabilities of development of this disease increases if more than one family member has this ailment.
• Genetics (heredity) – According to Scientists, genes are one of the caused for Alzheimer. There are two kinds of genes which decides if a person grows a disease or not. They are deterministic genes and risk genes. In both these categories, genes of Alzheimer have been found.

Risk genes upsurges the probability of developing an ailment but is not definite. According to researchers the first recognized risk gene is APOE-e4 that upsurges the peril of Alzheimer and has the sturdiest effect.