HEALTH TOPICS 
The growing role of probiotics
You need these "good" bacteria from fermented foods to help maintain a healthy gut.
Image: © marekuliasz/Thinkstock
In spite of what you may think, bacteria can be good for your health.
For instance, your gut is home to trillions of bacteria — both good and bad. Besides helping with digestion, good bacteria help the gut boost your immune system to help fight infections and out-of-control inflammation.
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