“Can you identify this bug?” asks this reader in his submission regarding the yellow-green creature pictured below. “I have been having a problem with parasites and no one believes me, so I bought an over-the-counter anti-parasitic medication and then I felt this crawling from under my shirt.”

“What does lice look like on a hair strand?” asks this reader in her submission. She does not attach a picture or more context, but we will do our best to help her nonetheless.