Aliens Inside Us

The health benefits that come from foreign bacteria inside the human body are examined. The modern-day lifestyle, however, often prevents microbes from entering the body, which scientists believe has... More

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Clip TypeClip NameViewing ProgressRun Length
Clip The Microbes We're Made Of
25 sec
Clip Where Microbes Still Thrive
3 min 16 sec
Clip The War on Microbes
2 min 56 sec
S0 |

The Microbes We're Made Of

Airdate:
The human body hosts more than ten thousand different kinds of microbes. Most of these bacteria aren't harmful - in fact, many of them actually aid the immune system.
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