Role of Caffeine in Dementia, Alzheimer's, Parkinsonism, Bipolar Mood Disorder

Dementia is a broad category of brain diseases that cause a long term and often gradual decrease in the ability to think and remember such that a person's daily functioning is affected. Alzheimer's is a chronic disease that usually starts slowly and gets worse over time. Parkinsonism is a neurological syndrome characterized by tremor, hypokinesia, rigidity, and postural instability. Parkinsonism shares symptoms found in Parkinson's Disease. Bipolar disorder, is a mental disorder characterized by periods of elevated mood and periods of depression. Caffeine has ‘mental activating’ properties, increasing alertness and energy and reducing sleepiness and fatigue. The aim of the article is to compile about the preventive nature of caffeine in these disorders.