When parasites trigger an immune response, your body produces more Immunoglobulin E (IgE) antibodies, leading to allergic reactions that manifest as stubborn skin issues. If over-the-counter ...

Fleas and ticks are tiny parasites that create serious health problems for dogs. Fleas can transmit tapeworms and cause itchy skin, while ticks can transmit diseases such as Lyme disease.

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They’ve been part of what’s made our societies – all the way from monkeys grooming each other to ancient societies picking off skin-dwelling parasites to the de-lousing stations in Inuit ...