Understanding MS

2.9 million people worldwide live with Multiple Sclerosis (MS), yet many early symptoms go unnoticed or misunderstood. Our goal is to help people recognise the signs sooner, support those living with MS, and build a more informed and active community. This page is written by Dr James Carvell, Monkey Sox Co-founder. James is an NHS GP and has lived with MS since 2016.

What is MS?

Multiple Sclerosis is a condition that affects the brain and spinal cord, known as the central nervous system. It happens when the body’s immune system mistakenly attacks the protective coating around nerves, called myelin. This can disrupt messages travelling between the brain and the rest of the body, leading to symptoms such as fatigue, numbness, balance problems, pain, vision changes, muscle weakness, and difficulties with thinking or memory.

MS affects everyone differently, and symptoms can vary from day to day and over time. While there is currently no cure for MS, treatments, therapies, lifestyle changes and support can help people manage symptoms and maintain quality of life.

What are the early signs?

The early signs of MS can vary greatly from person to person, and there is no single “typical” set of symptoms.

Common early signs can include unusual tiredness (fatigue), numbness or tingling, blurred or painful vision, dizziness, balance problems, muscle stiffness, or weakness. Some people may also notice problems with memory, concentration, or coordination.

Earliest symptoms for James were exposed most when exercising and included blurred vision, balance problems and weakness in his right leg.

Symptoms may come and go, and many can also be caused by other conditions, which can make MS difficult to diagnose in the early stages. 

If you experience any of these symptoms persistently, consult a healthcare professional for proper evaluation.

How MS Affects the Body

myelin: importance and complications

The myelin sheath is a protective fatty coating that surrounds nerve fibres similar to the insulation around electrical wires. It contributes to...

  • Insulation: Myelin protects nerve fibres and prevents electrical signals from dispersing
  • Speed: Myelin enables rapid transmission of nerve impulses between the brain, spinal cord and the rest of the body.

Complications of myelin damage:

When myelin is damaged, nerve signals can slow down, become disrupted, or fail to get through properly, leading to symptoms such as weakness, numbness, vision problems, pain, or difficulties with movement and thinking. Over time, repeated damage may also affect the nerves themselves.

Early diagnosis and treatment can help manage symptoms and slow disease progression, making MS awareness and education crucial.

Symptoms sounding familiar?

If you’re unsure about your symptoms, contact your GP for advice and support, it’s always better to seek guidance and get clarity. Accessing treatment early can help you receive the right support sooner.


If you’d like to learn more about MS, or explore the support and treatment options available, our partner charities below are dedicated to advancing research, improving care, and providing lifestyle and wellbeing support for those affected by MS.

MS SOCIETY

Funding world-leading research to stop MS, providing information and tailored support, and campaigning for improved rights and care.
Find our more here.

ms trust

Supporting people living with MS by providing free, expert information, funding specialist MS nurses, and conducting research to improve care.
Find out more here.

MS-UK

Dedicated to empowering people affected by MS to live healthier and happier lives. Providing emotional support and online services such as exercise classes, mindfulness, and peer support groups.
Find out more here

OUR COMMUNITY WITH MS, doing incredible things.