Even if you think you learned everything that you needed to know way back in biology class, everyone has knowledge gaps. And ...

Most sexually transmitted diseases do not live long enough on a toilet seat to hurt you. For example, Healthline reports that HIV dies almost instantly once it dries in the air. This makes it ...

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Head lice don’t spread disease and aren’t considered a health hazard, according to the CDC, but they’re still gross, annoying and on the rise as kids head back to school. These tiny parasitic insects ...

Human lice evolved alongside early humans, adapting to changes like reduced body hair and the development of clothing. While head lice primarily cause discomfort, body lice can transmit serious ...