Probiotics: The “Good” Bacteria

The Tina Times

Guest post by Tina

Meet Tina, namesake of The Tina Times. After years of obscure health scares and getting to know the doctor’s office a little too well, she’s decided to be healthy. That means healthy living and healthy eating. On the side, Tina is passionate about her job (health services research), juice bars, and soaking up the sun.

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The human body harbors over 100 trillion bacteria, outnumbering our own cells ten to one. These bacteria live on our skin, in our mouths, and most predominantly in our guts (not surprising, given that our intestines stretch 25 feet—over half the length of a school bus!).

So how can we ever be healthy, if we are essentially more bacterial than we are human? With an optimal balance of these microbes—the “good” and the “bad.”

The gastrointestinal tract is a delicately balanced ecosystem of gut microbiota, or gut flora…

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