Final answer:
The Canada caregiver amount question is specific to Canadian tax law, but the references supplied deal with U.S. social and healthcare policies, hence no exact Canadian tax information can be provided based on these references. In the U.S., Medicaid is a crucial support for elderly care, and cultural attitudes towards such care can greatly differ.
Step-by-step explanation:
Regarding the query about the Canada caregiver amount for dependents aged 18 or older, it is important to note that the actual question relates to Canadian tax law. However, since the reference material provided pertains to social and healthcare policies, primarily within the United States, the answer based on this material can only discuss the broader context of caregiver support and benefits rather than specific Canadian tax codes. In the context of the United States, many middle-class families find the financial burden of caring for elderly dependents challenging and Medicaid plays a significant role in providing support, particularly for nursing home care. It's also notable that cultural attitudes towards elderly care can vary significantly across different demographic groups.