What is the difference between an intolerance and an allergy?
A) Intolerances produce symptoms that last several days, while patients having an allergic reaction recover in less than 24 hours.
B) Intolerances can change over a patient's lifetime, but allergic reactions do not change throughout a patient's life.
C) Intolerances tend to have a delayed onset of symptoms, while allergic reactions occur rapidly.
D) Intolerances occur due to a patient's exposure to the environment, while allergic reactions are genetically determined.
E) Intolerances have mild symptoms, while allergic reactions can be life threatening.
Answer: C
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