What is MS?

Multiple Sclerosis (MS) is a condition that affects the brain and spinal cord.

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Over 150,000 people

Over 150,000 people live with MS in the UK.

About 135 people diagnosed each week

Around 135 people are diagnosed with MS in the UK each week.

3x more common for women

MS is three times more common for women.

About MS

MS happens when the immune system mistakenly attacks the protective layer around nerves (called myelin). When that layer is damaged, messages between the brain and body don’t travel properly.

That disruption is what causes symptoms.

MS affects everyone differently. There isn’t one single “MS experience.”

Health professional looking at MRI scan

What actually happens in the body?

Your brain and spinal cord make up your central nervous system. They send messages to the rest of your body - telling muscles to move, helping you feel sensations, controlling balance, vision and more.

In MS:

  • The immune system attacks the protective coating around nerves
  • This causes inflammation and small areas of damage (often called lesions)
  • Nerve signals become slower or disrupted

That’s why symptoms can vary so much from person to person.

Some symptoms are visible. Many aren’t. MS is often described as an invisible condition, and that can be one of the hardest parts. Some symptoms include:

Fatigue

Numbness or tingling

Changes in vision

Muscle stiffness or spasms

Balance problems

Brain fog or cognitive changes

Bladder or bowel issues

Who does MS affect?

MS is most commonly diagnosed between the ages of 20 and 40. In the UK, over 150,000 people live with MS, and around 7,000 people are diagnosed each year. That means many people are navigating MS alongside:

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Careers

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Relationships

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Parenthood

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Financial independence

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Big life decisions

It’s not something that only affects older adults.

Is MS progressive?

There are different types of MS:

Relapsing-remitting MS (RRMS)

Secondary progressive MS (SPMS)

Primary progressive MS (PPMS)

Some people experience relapses followed by recovery. Some experience gradual progression.Your neurologist will explain what type you have and what that means for you. But statistics don’t define your individual future. MS looks different for everyone.

Is there a cure?

There isn’t currently a cure for MS. But treatments have improved significantly over the last 20 years.

Many people take disease-modifying therapies (DMTs) to reduce relapses and slow progression. There are also treatments and strategies to manage symptoms and protect quality of life.

MS today doesn’t look like it did decades ago.

The emotional side of MS

MS isn’t just physical.Being diagnosed, especially in your 20s or 30s, can feel overwhelming. You might feel:

Shock

Anger

Fear

Relief at having answers

Grief for the version of the future you imagined

All of that is normal. Understanding MS medically is one thing. Learning how to live alongside it is another.

Want to go deeper?

If you’re looking for more specific information, you can explore:

Looking for support?

If you’re 18–35 and living with MS, you don’t have to navigate this alone.

We bring young adults together through peer support, counselling and connection - because MS is part of your life, not the whole of it.

Group of people at an MS Together event