Chapter 37, Problem 28A

Summary Introduction

To write:

The type of disease that happens when people abnormally respond to environmental antigens.

Introduction:

Autoimmune diseases are diseases that attack the cells which are healthy.

Explanation of Solution

Autoimmune diseases arise from an abnormal immune response to endogenous substances (auto antigens). Some of the common diseases that are considered as autoimmune include celiac disease, diabetes mellitus, Graves' disease, inflammatory bowel disease, etc. Treatment depends on the severity of the condition.