The Harvard Health article on bed bug bites emphasizes that these pests are small, parasitic insects that feed on human or animal blood, causing itchy and uncomfortable bites. Bed bug infestations can be challenging to identify and control due to their nocturnal nature and ability to hide in various places. The piece also provides information on recognizing bed bugs at different life stages, identifying their bites, managing symptoms, preventing bites, and handling infestations, including recommendations for treatment and prevention. 

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