Temporary workers may work full-time or part-time, depending on the individual case. In some instances, temporary workers receive benefits (such as health insurance), but usually benefits are only given to permanent employees. Not all temporary employees find jobs through a temporary employment agency.
1 Alzheimer's disease (AD) is the most common cause of dementia in people over age 65 with cause possibly related to amyloid plaques and neurofibrillary tangles.2  Almost all brain functions, including memory, movement, language, judgment, behavior, and abstract thinking, are eventually affected. Huntington's disease is a heredity disorder caused by a faulty gene. 2  Children of those with the disorder have a 50% chance of getting the disease. 3  Symptoms begin in those 30 to 40 years of age, beginning with personality changes such as anxiety and depression.
Dementia is a loss of brain function that occurs with certain diseases. It affects memory, thinking, language, judgment, and behavior. Dementia usually occurs in older age. It is rare in people under age 60. The risk of dementia increases as a person gets older. Most types of dementia are nonreversible (degenerative). Nonreversible means the changes in the brain that are causing the dementia cannot be stopped or turned back. Alzheimer disease is the most common type of dementia. Another common type of dementia is vascular dementia. It is caused by many small strokes. Lewy body disease is a common cause of dementia in the elderly. People with this condition have abnormal protein structures in certain areas of the brain.