Alzheimer’s is an “irreversible, progressive brain disorder that slowly destroys memory and thinking skills, and, eventually, the ability to carry out the simplest tasks.” For more information please visit https://alz.org/
Dementia can be described as a “group of symptoms affecting memory, thinking and social different diseases may cause dementia.” For more information please visit https://www.alz.org/alzheimers-dementia/what-is-dementia
Parkinson is known as “a neurodegenerative disorder that affects predominately dopamine-producing (“dopaminergic”) neurons in a specific area of the brain…” When the neurons producing dopamine die, a person can experience balance problems, stiffness, slowness, and tremor. Please visit https://www.parkinson.org/understanding-parkinsons/what-is-parkinsons
for more information.