👉 Dementias are a group of disorders characterized by cognitive, emotional, and behavioral changes that impair an individual's ability to function effectively. These conditions can affect different aspects of an individual's life, including memory, judgment, decision-making, concentration, and communication. Dementias can be either primary or secondary, with some affecting only part of the brain and others affecting multiple parts. Primary dementias include Alzheimer's disease (AD), Parkinson's disease, Huntington's disease, and various forms of