Surprise Evidence That Gut Microbes Directly Cause Humans to Age

0:00 Gut microbe effects on our health 
0:50 Basics of microbiome in and around our body 
1:45 Fever and temperature effects 
3:20 Athletic ability and body age 
5:50 How bacteria change with age 
6:45 Individual difference in aging 
8:00 Is it all immune system? Mice experiment 
10:20 So are bacteria bad for us? 
11:40 How to get healthy using these discoveries 
13:00 And then they just eat us 
13:50 Also vision issues? 

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