Final answer:
Yes, allergens do show seasonal variation in atopy, as allergen levels in the environment can vary by season, and the immune system's response can also change seasonally.
Step-by-step explanation:
Do allergens show seasonal variation in atopy? The answer is Yes. People with allergies develop symptoms such as itchy eyes and sneezing that can be related to seasonal variations in the presence of allergens. Specifically, certain allergens like pollen have higher concentrations in the air during spring and summer months due to plant blooming cycles. Additionally, the immune system's response can vary seasonally, which may affect how the body reacts to allergens. For example, immune cells such as phagocytes are more active during warmer months, which could influence the severity of allergic reactions.