Who are you exactly? Findings about the role of bacteria make this a challenging question. These simple life forms make their home inside you and account for 5 to 10% of your body weight.
|Lose weight by shedding bacteria?|
"The mammalian colon harbors one of the densest microbial communities found on Earth. While intestinal microbes by and large mind their own business, feeding off the food we send to our stomachs, they also perform critical functions, such as fine-tuning our immune systems and producing nutrients such as vitamin K. (There are) at least 5,600 separate species or strains."