H. pylori causes ulcers
figure from
TOP TEN BUGS A new government survey reveals: the top 10 most common reported infectious diseases in the US are-
SOURCE: Centers for Disease Control and Prevention
some of these are viruses and protozoa which we will discuss later, the rest are bacteria, prokaryotes (in contrast with eukaryotes). Look at the tree of life to get yourself oriented.
There are about ten times more bacteria cells in your body than there are human cells.
Picture
of staph bacteria living in an intestine and the E.Coli above from
nano
world image gallery
Oral
Fauna Credit: Zie Skobe Forsythe Institute
We already talked about E Coli which live in our gut and make vitamins for us. Some strains appear in the news from time to time because of their toxicity. Recently reported that a change in cow's diet may provide protection.
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Bacteria can double in numbers every 20 minutes and it wouldn't be long before we were waist high in bacteria if there weren't limits to their growth
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from cells alive |
Bacteria Thrive in Inner Elbow
