Alzheimer's is a slow process that is usually related to old people. This condition affects the memory and thinking ability of an individual, thus affecting their daily function. Alzheimer's is one of the most common and popular types of dementia, primarily affecting older persons. Unfortunately, Alzheimer's disease currently has no known cure. The past few decades have seen great advancements in research and development to combat Alzheimer's.
Parkinson's disease (PD is a type of neurodegenerative disorder that slowly progresses with age and affects body movement and thus hinders the day-to-day life of patients. It gets worse over time with no known cure, although some medications and therapies are known to facilitate its manifestations. Clinically evident features include tremors, painful muscular contractions, and difficulty in speech. PD often leads to substantial disability and necessitates long-term care, frequently accompanied by the development of dementia.