What age group is mostly affected by allergies?

Allergies can affect individuals of all ages, but they are most commonly observed in children and young adults. Many people experience their first allergic reactions during childhood, with some allergies persisting into adulthood. However, certain allergies, like those to pollen or dust mites, may develop later in life. Overall, the prevalence of allergies tends to fluctuate across different age groups and can vary based on environmental factors.