Brain & Nervous System Health Center

Brain and Nervous System

Brain and Nervous System

Brain and nervous system problems are common. These neurological disorders include multiple sclerosis, Alzheimer’s disease, Parkinson’s disease, epilepsy, and stroke, and can affect memory and ability to perform daily activities.

Topic Overview

The nervous system is a complex, highly specialized network. It organizes, explains, and directs interactions between you and the world around you. The nervous system controls:

  • Sight, hearing, taste, smell, and feeling (sensation).
  • Voluntary and involuntary functions, such as movement, balance, and coordination. The nervous system also regulates the actions of most other body systems, such as blood flow and blood pressure.
  • The ability to think and reason. The nervous system allows you to be conscious and have thoughts, memories, and language.
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