What is the primary characteristic of histamine intolerance and how is it typically managed?
a) An inability to properly break down histamine, leading to symptoms such as headaches, hives, and digestive issues, managed by avoiding high-histamine foods and using antihistamines.
b) An overproduction of histamine leading to excessive immune responses, managed by increasing histamine-rich foods in the diet.
c) A condition where the body fails to produce histamine, managed by avoiding all types of antihistamines.
d) A hypersensitivity to histamine only in specific environmental conditions, managed by using topical treatments.