In recent years—especially in probiotic yogurt commercials—we’ve heard a lot about needing more “good” bacteria in our body.

You are not all human. You aren’t even mostly ... But don’t worry – they aren't all bad. Quite the contrary. You need most of these bugs to lead a healthy and happy life.

Following is a transcript of the video. Narrator: For some bug babies, your body is home sweet home. Human botfly larvae, for example, burrow under your skin, forming a pus-filled pimple.

However, the harmful chemicals they contain do more than kill the bad bugs. According to a study from ... "Seeing impacts of pesticide exposure across the body helps to explain the multi-faceted ...