Previous Chapter: Executive Summary
Suggested Citation: "1 Introduction." Institute of Medicine. 2001. Multiple Sclerosis: Current Status and Strategies for the Future. Washington, DC: The National Academies Press. doi: 10.17226/10031.

There was a problem loading page 17.

Suggested Citation: "1 Introduction." Institute of Medicine. 2001. Multiple Sclerosis: Current Status and Strategies for the Future. Washington, DC: The National Academies Press. doi: 10.17226/10031.

There was a problem loading page 18.

Suggested Citation: "1 Introduction." Institute of Medicine. 2001. Multiple Sclerosis: Current Status and Strategies for the Future. Washington, DC: The National Academies Press. doi: 10.17226/10031.

There was a problem loading page 19.

Suggested Citation: "1 Introduction." Institute of Medicine. 2001. Multiple Sclerosis: Current Status and Strategies for the Future. Washington, DC: The National Academies Press. doi: 10.17226/10031.

There was a problem loading page 20.

Suggested Citation: "1 Introduction." Institute of Medicine. 2001. Multiple Sclerosis: Current Status and Strategies for the Future. Washington, DC: The National Academies Press. doi: 10.17226/10031.

There was a problem loading page 21.

Suggested Citation: "1 Introduction." Institute of Medicine. 2001. Multiple Sclerosis: Current Status and Strategies for the Future. Washington, DC: The National Academies Press. doi: 10.17226/10031.

There was a problem loading page 22.

Suggested Citation: "1 Introduction." Institute of Medicine. 2001. Multiple Sclerosis: Current Status and Strategies for the Future. Washington, DC: The National Academies Press. doi: 10.17226/10031.

There was a problem loading page 23.

Suggested Citation: "1 Introduction." Institute of Medicine. 2001. Multiple Sclerosis: Current Status and Strategies for the Future. Washington, DC: The National Academies Press. doi: 10.17226/10031.

There was a problem loading page 24.

Suggested Citation: "1 Introduction." Institute of Medicine. 2001. Multiple Sclerosis: Current Status and Strategies for the Future. Washington, DC: The National Academies Press. doi: 10.17226/10031.

There was a problem loading page 25.

Suggested Citation: "1 Introduction." Institute of Medicine. 2001. Multiple Sclerosis: Current Status and Strategies for the Future. Washington, DC: The National Academies Press. doi: 10.17226/10031.

There was a problem loading page 26.

Suggested Citation: "1 Introduction." Institute of Medicine. 2001. Multiple Sclerosis: Current Status and Strategies for the Future. Washington, DC: The National Academies Press. doi: 10.17226/10031.

There was a problem loading page 27.

Suggested Citation: "1 Introduction." Institute of Medicine. 2001. Multiple Sclerosis: Current Status and Strategies for the Future. Washington, DC: The National Academies Press. doi: 10.17226/10031.

There was a problem loading page 28.

Suggested Citation: "1 Introduction." Institute of Medicine. 2001. Multiple Sclerosis: Current Status and Strategies for the Future. Washington, DC: The National Academies Press. doi: 10.17226/10031.
Page 17
Suggested Citation: "1 Introduction." Institute of Medicine. 2001. Multiple Sclerosis: Current Status and Strategies for the Future. Washington, DC: The National Academies Press. doi: 10.17226/10031.
Page 18
Suggested Citation: "1 Introduction." Institute of Medicine. 2001. Multiple Sclerosis: Current Status and Strategies for the Future. Washington, DC: The National Academies Press. doi: 10.17226/10031.
Page 19
Suggested Citation: "1 Introduction." Institute of Medicine. 2001. Multiple Sclerosis: Current Status and Strategies for the Future. Washington, DC: The National Academies Press. doi: 10.17226/10031.
Page 20
Suggested Citation: "1 Introduction." Institute of Medicine. 2001. Multiple Sclerosis: Current Status and Strategies for the Future. Washington, DC: The National Academies Press. doi: 10.17226/10031.
Page 21
Suggested Citation: "1 Introduction." Institute of Medicine. 2001. Multiple Sclerosis: Current Status and Strategies for the Future. Washington, DC: The National Academies Press. doi: 10.17226/10031.
Page 22
Suggested Citation: "1 Introduction." Institute of Medicine. 2001. Multiple Sclerosis: Current Status and Strategies for the Future. Washington, DC: The National Academies Press. doi: 10.17226/10031.
Page 23
Suggested Citation: "1 Introduction." Institute of Medicine. 2001. Multiple Sclerosis: Current Status and Strategies for the Future. Washington, DC: The National Academies Press. doi: 10.17226/10031.
Page 24
Suggested Citation: "1 Introduction." Institute of Medicine. 2001. Multiple Sclerosis: Current Status and Strategies for the Future. Washington, DC: The National Academies Press. doi: 10.17226/10031.
Page 25
Suggested Citation: "1 Introduction." Institute of Medicine. 2001. Multiple Sclerosis: Current Status and Strategies for the Future. Washington, DC: The National Academies Press. doi: 10.17226/10031.
Page 26
Suggested Citation: "1 Introduction." Institute of Medicine. 2001. Multiple Sclerosis: Current Status and Strategies for the Future. Washington, DC: The National Academies Press. doi: 10.17226/10031.
Page 27
Suggested Citation: "1 Introduction." Institute of Medicine. 2001. Multiple Sclerosis: Current Status and Strategies for the Future. Washington, DC: The National Academies Press. doi: 10.17226/10031.
Page 28
Next Chapter: 2 Clinical and Biological Features
Subscribe to Emails from the National Academies
Stay up to date on activities, publications, and events by subscribing to email updates.