Gut flora is found in many areas of our digestive tract, particularly in the colon. Whenever we eat anything we feed the microbes that mak...

Let us assume that we collected data on the presence or absence of a trait (e.g., propensity toward risky behavior) in a population of in...

There are two forms of familial hypercholesteromia (FH), namely heterozygous and homozygous FH. In heterozygous FH only one copy of the gene...

Genes do not evolve, nor do traits that are coded for our genes. We say that they evolve to facilitate discourse, which is alright. Populati...

Most human traits (e.g., body fat percentage, blood pressure, propensity toward depression) are influenced by our genes; some more than othe...

There are human traits that evolved in spite of being survival handicaps. These counterintuitive traits are often called costly traits, or Z...

Many people think that the prettiest faces are those with very unique features. Generally that is not true. Pretty faces are average faces. ...

As noted in this post , it is possible for a food-related trait to evolve to fixation in an entire population in as little as 396 years; not...

Early hominid ancestors like the Australopithecines (e.g., Lucy ) were likely strict vegetarians. Meat consumption seems to have occurred at...

Charles Darwin, perhaps one of the greatest scholars of all time, thought about his theory of mutation, inheritance, and selection of biolog...

Often in discussions about Paleolithic nutrition, and books on the subject, we see speculations about how long it would take for a populatio...