The composition of one's microbiome is also a major factor in metabolism (and is interrelated with activity level, too.) https://microbewiki.kenyon.edu/index.p

The composition of one's microbiome is also a major factor in metabolism (and is interrelated with activity level, too.) https://microbewiki.kenyon.edu/index.php/Firmicutes_and_Obesity https://microbewiki.kenyon.edu/index.php/Firmicutes_and_Obes... The article didn't tread much into the satiety effect: while sugar- and carb-laden foods generally leave you wanting more, it's difficult to overeat naturally fatty things like bacon, cream, or eggs. Until just now, these foods have been frowned upon so hard that few people think of combining them with veggies to create tasty, affordable, satisfying, and nutritious meals.