Prologue: Everything that irritates us
Part one. Diagnosis. What allergy is (and isn't)
How allergy diagnosis works (or doesn't)
Our allergic world : measuring the rise of allergic disease
Part two. Theories. Allergic inheritance : allergies as a "normal" immune response
Nature out of whack
Are we doing this to ourselves? The modern lifestyle and allergy
Part three. Treatments. Remedies for the irritated : allergy treatments past, present, and future
The booming business of allergy treatments
What makes a treatment effective? Weighing benefits and risks
Allergy is a social problem, too
Irritating ourselves to death : allergy in the time of COVID-19.