Gut Flora and Cancer

Gut flora is a big theme on this blog.  Gut flora are not freeloaders, they are integral to health.  They are also integral to poor health and disease.  Nature report that gut microbes spur liver cancer in obese mice:

• The gut bacteria of obese mice unleash high levels of an acid that promotes liver cancer, reveals one of the first studies to uncover a mechanism for the link between obesity and cancer. The research is published today in Nature.

Incredible and fascinating stuff.