Generally accepted accounting principles (GAAP). Generally accepted accounting principles (GAAP), which are the basis for financial reporting by the private sector in the United States, have been codified by the Financial Accounting Standards Board (FASB) into a single authoritative source.
Dementia and Alzheimerâs disease arenât the same. Dementia is an overall term used to describe symptoms that impact memory, performance of daily activities, and communication abilities. Alzheimerâs disease is the most common type of dementia. Alzheimerâs disease gets worse with time and affects memory, language, and thought.
1 But Alzheimer's is not just a disease of old age. 2  Up to 5 percent of people with the disease have early onset Alzheimer's (also known as younger-onset), which often appears when someone is in their 40s or 50s. 3  Learn more: Early Onset Alzheimer's and Risk Factors.4  Alzheimer's worsens over time.lzheimer's and dementia basics. 1  Alzheimer's is the most common form of dementia, a general term for memory loss and other intellectual abilities serious enough to interfere with daily life. 2  Alzheimer's disease accounts for 60 to 80 percent of dementia cases.