When I was in Greece this August, I didn’t have any allergies at first, but then they started acting up, and they kept getting worse throughout my trip. I thought it was from the local environment, but when I woke up with conjunctivitis in the last week I looked back and realized my diet had been very deficient in vitamin A while I was there. Vitamin A deficiency can be an important cause of allergies, and if you suffer from allergies you should consider your vitamin A status.

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