Your nervous system is your body's communication network, connecting your brain and spinal cord with nerves throughout the body. It receives information from your surroundings, processes signals and coordinates responses that help you interact with the world around you.

The nervous system is divided into the central nervous system, which includes the brain and spinal cord, and the peripheral nervous system, which connects these structures to the rest of the body. Together, they are involved in movement, sensation, memory, learning and many automatic bodily functions.

Your nervous system also works closely with other body systems, including the muscular, circulatory and endocrine systems. These connections demonstrate how different processes throughout the body are coordinated.

In this guide, we'll explore how your nervous system works, why it matters and five practical lifestyle habits worth considering. You'll also find further reading from our Health Hub and information about Nutri-Calm, our featured Key System Product for the Nervous System.

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Understanding Your Nervous System

Your nervous system is an intricate communication network that connects your brain, spinal cord and nerves throughout your body. It constantly receives information, processes signals and coordinates responses, allowing you to interact with your surroundings and carry out everyday activities.

The nervous system has two main divisions. The central nervous system consists of the brain and spinal cord, which process information and coordinate many of the body's activities. The peripheral nervous system includes the nerves that extend beyond the brain and spinal cord, connecting them to muscles, organs and sensory receptors.

Within this network are billions of specialised cells called neurons. These cells transmit electrical and chemical signals, allowing information to travel between different parts of the body.

Your nervous system is involved in everything from movement and sensation to memory, learning and automatic functions such as breathing and digestion. Its remarkable ability to coordinate these processes makes it essential to everyday life.

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How Does Your Nervous System Work?

Your nervous system works by transmitting information through a vast network of nerve cells. These cells, known as neurons, communicate using electrical impulses and chemical messengers called neurotransmitters.

When you experience something through your senses, such as touching a warm surface or hearing a familiar voice, sensory receptors detect the information and send signals towards the central nervous system. The brain and spinal cord process these signals and coordinate appropriate responses.

Motor neurons then carry instructions from the central nervous system to muscles, allowing you to move, maintain posture and perform everyday tasks. Some responses, known as reflexes, are coordinated rapidly through circuits involving the spinal cord.

The nervous system also includes an autonomic division, which helps regulate functions that happen without conscious effort, including heart rate, digestion and breathing. Its sympathetic and parasympathetic divisions work together to adjust bodily activity in response to different circumstances.

These processes happen continuously, allowing your body to respond to changing environments while coordinating both voluntary and automatic activities.

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Why Your Nervous System Matters

Your nervous system plays a central role in almost everything you do, from recognising familiar faces and learning new skills to maintaining balance and responding to your surroundings.

It allows your brain to interpret information received through your senses, helping you understand the world around you. At the same time, it coordinates movement, posture and reflexes, making everyday activities possible.

The nervous system is also closely involved in memory, attention, emotions and sleep. Different regions of the brain work together to process experiences, store information and regulate patterns of activity throughout the day and night.

Beyond conscious thought and movement, your nervous system helps coordinate automatic processes such as heart rate, breathing and digestion. It communicates with other body systems, including the endocrine and immune systems, as part of the body's wider network of regulation.

Understanding these varied functions can help you appreciate why everyday habits such as physical activity, adequate sleep, balanced nutrition and mental engagement are important considerations for long-term wellbeing.

5 Everyday Habits for Nervous System Wellbeing

From exploring brain-friendly foods and learning new skills to taking breaks from everyday demands, discover five practical habits that can form part of a balanced lifestyle and encourage greater awareness of your nervous system.

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    Explore Brain-Friendly Foods

    Include a variety of foods in your diet, such as oily fish, walnuts, seeds, wholegrains and colourful vegetables. Oily fish provides omega-3 fatty acids, while foods such as eggs, dairy and fortified alternatives can contribute vitamin B12, which supports the normal functioning of the nervous system.

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    Keep Your Mind Active

    Challenge yourself with activities that involve learning, memory and concentration. Reading, puzzles, playing a musical instrument or learning a new language can provide enjoyable opportunities to develop skills and keep your mind engaged.

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    Take Regular Screen Breaks

    If you spend long periods working at a computer or using digital devices, build regular breaks into your day. Look away from your screen, change your position and take a few moments to move around. These simple habits can help make screen-based routines more comfortable.

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    Make Sleep a Priority

    Aim for a consistent sleep schedule and allow enough time for rest each night. Most adults need around 7 to 9 hours of sleep. Establishing a relaxing bedtime routine, reducing late-night screen use and keeping your bedroom comfortable can encourage healthier sleeping habits.

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    Create Space to Unwind

    Make time for activities that offer a change of pace from everyday responsibilities. Whether that's spending time outdoors, practising gentle breathing exercises, enjoying a hobby or simply sitting quietly, finding moments to pause can be a valuable part of your wellbeing routine.

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Nutri-Calm 90 front

Meet Nutri-Calm, Your Key System Product

Alongside everyday lifestyle habits, you may wish to learn more about Nutri-Calm, our featured Key System Product for the Nervous System.

Nutri-Calm is a food supplement from Nature's Sunshine, combining B-complex vitamins and vitamin C with selected botanical ingredients, including chamomile, in a convenient tablet format.

Several B vitamins, including thiamine, riboflavin, niacin, vitamin B6 and vitamin B12, contribute to the normal functioning of the nervous system. Vitamin B6 and vitamin B12 also contribute to normal psychological function, while vitamin C contributes to the reduction of tiredness and fatigue.

Designed to complement a varied, balanced diet and healthy lifestyle, Nutri-Calm offers a convenient way to incorporate these nutrients into your daily nutritional routine. You can explore the full ingredients, nutritional information and directions for use on the product page.

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Nervous System